131451684

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:214

約数の個数: 192

約数和(自身を含む): 409360896

約数和(自身を除く): 277909212

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 17, 21, 26, 28, 34, 39, 42, 51, 52, 68, 73, 78, 84, 91, 97, 102, 119, 146, 156, 182, 194, 204, 219, 221, 238, 273, 291, 292, 357, 364, 388, 438, 442, 476, 511, 546, 582, 663, 679, 714, 876, 884, 949, 1022, 1092, 1164, 1241, 1261, 1326, 1358, 1428, 1533, 1547, 1649, 1898, 2037, 2044, 2482, 2522, 2652, 2716, 2847, 3066, 3094, 3298, 3723, 3783, 3796, 4074, 4641, 4947, 4964, 5044, 5694, 6132, 6188, 6596, 6643, 7081, 7446, 7566, 8148, 8687, 8827, 9282, 9894, 11388, 11543, 13286, 14162, 14892, 15132, 16133, 17374, 17654, 18564, 19788, 19929, 21243, 21437, 23086, 26061, 26481, 26572, 28324, 32266, 34629, 34748, 35308, 39858, 42486, 42874, 46172, 48399, 49567, 52122, 52962, 64311, 64532, 69258, 79716, 84972, 85748, 92053, 96798, 99134, 104244, 105924, 112931, 120377, 128622, 138516, 148701, 150059, 184106, 193596, 198268, 225862, 240754, 257244, 276159, 297402, 300118, 338793, 361131, 368212, 450177, 451724, 481508, 552318, 594804, 600236, 644371, 677586, 722262, 842639, 900354, 1104636, 1288742, 1355172, 1444524, 1564901, 1685278, 1800708, 1933113, 2527917, 2577484, 3129802, 3370556, 3866226, 4694703, 5055834, 6259604, 7732452, 9389406, 10111668, 10954307, 18778812, 21908614, 32862921, 43817228, 65725842, 131451684]

約数ペア:

[(1, 131451684), (2, 65725842), (3, 43817228), (4, 32862921), (6, 21908614), (7, 18778812), (12, 10954307), (13, 10111668), (14, 9389406), (17, 7732452), (21, 6259604), (26, 5055834), (28, 4694703), (34, 3866226), (39, 3370556), (42, 3129802), (51, 2577484), (52, 2527917), (68, 1933113), (73, 1800708), (78, 1685278), (84, 1564901), (91, 1444524), (97, 1355172), (102, 1288742), (119, 1104636), (146, 900354), (156, 842639), (182, 722262), (194, 677586), (204, 644371), (219, 600236), (221, 594804), (238, 552318), (273, 481508), (291, 451724), (292, 450177), (357, 368212), (364, 361131), (388, 338793), (438, 300118), (442, 297402), (476, 276159), (511, 257244), (546, 240754), (582, 225862), (663, 198268), (679, 193596), (714, 184106), (876, 150059), (884, 148701), (949, 138516), (1022, 128622), (1092, 120377), (1164, 112931), (1241, 105924), (1261, 104244), (1326, 99134), (1358, 96798), (1428, 92053), (1533, 85748), (1547, 84972), (1649, 79716), (1898, 69258), (2037, 64532), (2044, 64311), (2482, 52962), (2522, 52122), (2652, 49567), (2716, 48399), (2847, 46172), (3066, 42874), (3094, 42486), (3298, 39858), (3723, 35308), (3783, 34748), (3796, 34629), (4074, 32266), (4641, 28324), (4947, 26572), (4964, 26481), (5044, 26061), (5694, 23086), (6132, 21437), (6188, 21243), (6596, 19929), (6643, 19788), (7081, 18564), (7446, 17654), (7566, 17374), (8148, 16133), (8687, 15132), (8827, 14892), (9282, 14162), (9894, 13286), (11388, 11543)]