209556472

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{233}}^1$

素因数の和:416

約数の個数: 64

約数和(自身を含む): 426535200

約数和(自身を除く): 216978728

約数列:

[1, 2, 4, 8, 19, 38, 61, 76, 97, 122, 152, 194, 233, 244, 388, 466, 488, 776, 932, 1159, 1843, 1864, 2318, 3686, 4427, 4636, 5917, 7372, 8854, 9272, 11834, 14213, 14744, 17708, 22601, 23668, 28426, 35416, 45202, 47336, 56852, 90404, 112423, 113704, 180808, 224846, 270047, 429419, 449692, 540094, 858838, 899384, 1080188, 1378661, 1717676, 2160376, 2757322, 3435352, 5514644, 11029288, 26194559, 52389118, 104778236, 209556472]

約数ペア:

[(1, 209556472), (2, 104778236), (4, 52389118), (8, 26194559), (19, 11029288), (38, 5514644), (61, 3435352), (76, 2757322), (97, 2160376), (122, 1717676), (152, 1378661), (194, 1080188), (233, 899384), (244, 858838), (388, 540094), (466, 449692), (488, 429419), (776, 270047), (932, 224846), (1159, 180808), (1843, 113704), (1864, 112423), (2318, 90404), (3686, 56852), (4427, 47336), (4636, 45202), (5917, 35416), (7372, 28426), (8854, 23668), (9272, 22601), (11834, 17708), (14213, 14744)]