31387356

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1$

素因数の和:121

約数の個数: 216

約数和(自身を含む): 108710784

約数和(自身を除く): 77323428

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 13, 14, 18, 21, 22, 26, 28, 33, 36, 39, 42, 44, 52, 63, 66, 67, 77, 78, 84, 91, 99, 117, 126, 132, 134, 143, 154, 156, 169, 182, 198, 201, 231, 234, 252, 268, 273, 286, 308, 338, 364, 396, 402, 429, 462, 468, 469, 507, 546, 572, 603, 676, 693, 737, 804, 819, 858, 871, 924, 938, 1001, 1014, 1092, 1183, 1206, 1287, 1386, 1407, 1474, 1521, 1638, 1716, 1742, 1859, 1876, 2002, 2028, 2211, 2366, 2412, 2574, 2613, 2772, 2814, 2948, 3003, 3042, 3276, 3484, 3549, 3718, 4004, 4221, 4422, 4732, 5148, 5159, 5226, 5577, 5628, 6006, 6084, 6097, 6633, 7098, 7436, 7839, 8442, 8844, 9009, 9581, 10318, 10452, 10647, 11154, 11323, 12012, 12194, 13013, 13266, 14196, 15477, 15678, 16731, 16884, 18018, 18291, 19162, 20636, 21294, 22308, 22646, 24388, 26026, 26532, 28743, 30954, 31356, 33462, 33969, 36036, 36582, 38324, 39039, 42588, 45292, 46431, 52052, 54873, 57486, 61908, 66924, 67067, 67938, 73164, 78078, 79261, 86229, 92862, 101907, 109746, 114972, 117117, 124553, 134134, 135876, 156156, 158522, 172458, 185724, 201201, 203814, 219492, 234234, 237783, 249106, 268268, 317044, 344916, 373659, 402402, 407628, 468468, 475566, 498212, 603603, 713349, 747318, 804804, 871871, 951132, 1120977, 1207206, 1426698, 1494636, 1743742, 2241954, 2414412, 2615613, 2853396, 3487484, 4483908, 5231226, 7846839, 10462452, 15693678, 31387356]

約数ペア:

[(1, 31387356), (2, 15693678), (3, 10462452), (4, 7846839), (6, 5231226), (7, 4483908), (9, 3487484), (11, 2853396), (12, 2615613), (13, 2414412), (14, 2241954), (18, 1743742), (21, 1494636), (22, 1426698), (26, 1207206), (28, 1120977), (33, 951132), (36, 871871), (39, 804804), (42, 747318), (44, 713349), (52, 603603), (63, 498212), (66, 475566), (67, 468468), (77, 407628), (78, 402402), (84, 373659), (91, 344916), (99, 317044), (117, 268268), (126, 249106), (132, 237783), (134, 234234), (143, 219492), (154, 203814), (156, 201201), (169, 185724), (182, 172458), (198, 158522), (201, 156156), (231, 135876), (234, 134134), (252, 124553), (268, 117117), (273, 114972), (286, 109746), (308, 101907), (338, 92862), (364, 86229), (396, 79261), (402, 78078), (429, 73164), (462, 67938), (468, 67067), (469, 66924), (507, 61908), (546, 57486), (572, 54873), (603, 52052), (676, 46431), (693, 45292), (737, 42588), (804, 39039), (819, 38324), (858, 36582), (871, 36036), (924, 33969), (938, 33462), (1001, 31356), (1014, 30954), (1092, 28743), (1183, 26532), (1206, 26026), (1287, 24388), (1386, 22646), (1407, 22308), (1474, 21294), (1521, 20636), (1638, 19162), (1716, 18291), (1742, 18018), (1859, 16884), (1876, 16731), (2002, 15678), (2028, 15477), (2211, 14196), (2366, 13266), (2412, 13013), (2574, 12194), (2613, 12012), (2772, 11323), (2814, 11154), (2948, 10647), (3003, 10452), (3042, 10318), (3276, 9581), (3484, 9009), (3549, 8844), (3718, 8442), (4004, 7839), (4221, 7436), (4422, 7098), (4732, 6633), (5148, 6097), (5159, 6084), (5226, 6006), (5577, 5628)]