31819788

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{883}}^1$

素因数の和:924

約数の個数: 144

約数和(自身を含む): 108116736

約数和(自身を除く): 76296948

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, 77, 78, 84, 91, 99, 117, 126, 132, 143, 154, 156, 182, 198, 231, 234, 252, 273, 286, 308, 364, 396, 429, 462, 468, 546, 572, 693, 819, 858, 883, 924, 1001, 1092, 1287, 1386, 1638, 1716, 1766, 2002, 2574, 2649, 2772, 3003, 3276, 3532, 4004, 5148, 5298, 6006, 6181, 7947, 9009, 9713, 10596, 11479, 12012, 12362, 15894, 18018, 18543, 19426, 22958, 24724, 29139, 31788, 34437, 36036, 37086, 38852, 45916, 55629, 58278, 67991, 68874, 74172, 80353, 87417, 103311, 111258, 116556, 126269, 135982, 137748, 160706, 174834, 203973, 206622, 222516, 241059, 252538, 271964, 321412, 349668, 378807, 407946, 413244, 482118, 505076, 611919, 723177, 757614, 815892, 883883, 964236, 1136421, 1223838, 1446354, 1515228, 1767766, 2272842, 2447676, 2651649, 2892708, 3535532, 4545684, 5303298, 7954947, 10606596, 15909894, 31819788]

約数ペア:

[(1, 31819788), (2, 15909894), (3, 10606596), (4, 7954947), (6, 5303298), (7, 4545684), (9, 3535532), (11, 2892708), (12, 2651649), (13, 2447676), (14, 2272842), (18, 1767766), (21, 1515228), (22, 1446354), (26, 1223838), (28, 1136421), (33, 964236), (36, 883883), (39, 815892), (42, 757614), (44, 723177), (52, 611919), (63, 505076), (66, 482118), (77, 413244), (78, 407946), (84, 378807), (91, 349668), (99, 321412), (117, 271964), (126, 252538), (132, 241059), (143, 222516), (154, 206622), (156, 203973), (182, 174834), (198, 160706), (231, 137748), (234, 135982), (252, 126269), (273, 116556), (286, 111258), (308, 103311), (364, 87417), (396, 80353), (429, 74172), (462, 68874), (468, 67991), (546, 58278), (572, 55629), (693, 45916), (819, 38852), (858, 37086), (883, 36036), (924, 34437), (1001, 31788), (1092, 29139), (1287, 24724), (1386, 22958), (1638, 19426), (1716, 18543), (1766, 18018), (2002, 15894), (2574, 12362), (2649, 12012), (2772, 11479), (3003, 10596), (3276, 9713), (3532, 9009), (4004, 7947), (5148, 6181), (5298, 6006)]