207820548

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{449}}^1$

素因数の和:538

約数の個数: 144

約数和(自身を含む): 605404800

約数和(自身を除く): 397584252

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 36, 39, 43, 46, 52, 69, 78, 86, 92, 117, 129, 138, 156, 172, 207, 234, 258, 276, 299, 387, 414, 449, 468, 516, 559, 598, 774, 828, 897, 898, 989, 1118, 1196, 1347, 1548, 1677, 1794, 1796, 1978, 2236, 2691, 2694, 2967, 3354, 3588, 3956, 4041, 5031, 5382, 5388, 5837, 5934, 6708, 8082, 8901, 10062, 10327, 10764, 11674, 11868, 12857, 16164, 17511, 17802, 19307, 20124, 20654, 23348, 25714, 30981, 35022, 35604, 38571, 38614, 41308, 51428, 52533, 57921, 61962, 70044, 77142, 77228, 92943, 105066, 115713, 115842, 123924, 134251, 154284, 173763, 185886, 210132, 231426, 231684, 250991, 268502, 347526, 371772, 402753, 444061, 462852, 501982, 537004, 695052, 752973, 805506, 888122, 1003964, 1208259, 1332183, 1505946, 1611012, 1776244, 2258919, 2416518, 2664366, 3011892, 3996549, 4517838, 4833036, 5328732, 5772793, 7993098, 9035676, 11545586, 15986196, 17318379, 23091172, 34636758, 51955137, 69273516, 103910274, 207820548]

約数ペア:

[(1, 207820548), (2, 103910274), (3, 69273516), (4, 51955137), (6, 34636758), (9, 23091172), (12, 17318379), (13, 15986196), (18, 11545586), (23, 9035676), (26, 7993098), (36, 5772793), (39, 5328732), (43, 4833036), (46, 4517838), (52, 3996549), (69, 3011892), (78, 2664366), (86, 2416518), (92, 2258919), (117, 1776244), (129, 1611012), (138, 1505946), (156, 1332183), (172, 1208259), (207, 1003964), (234, 888122), (258, 805506), (276, 752973), (299, 695052), (387, 537004), (414, 501982), (449, 462852), (468, 444061), (516, 402753), (559, 371772), (598, 347526), (774, 268502), (828, 250991), (897, 231684), (898, 231426), (989, 210132), (1118, 185886), (1196, 173763), (1347, 154284), (1548, 134251), (1677, 123924), (1794, 115842), (1796, 115713), (1978, 105066), (2236, 92943), (2691, 77228), (2694, 77142), (2967, 70044), (3354, 61962), (3588, 57921), (3956, 52533), (4041, 51428), (5031, 41308), (5382, 38614), (5388, 38571), (5837, 35604), (5934, 35022), (6708, 30981), (8082, 25714), (8901, 23348), (10062, 20654), (10327, 20124), (10764, 19307), (11674, 17802), (11868, 17511), (12857, 16164)]