399670518

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{1621}}^1$

素因数の和:1777

約数の個数: 64

約数和(自身を含む): 899236800

約数和(自身を除く): 499566282

約数列:

[1, 2, 3, 6, 13, 26, 29, 39, 58, 78, 87, 109, 174, 218, 327, 377, 654, 754, 1131, 1417, 1621, 2262, 2834, 3161, 3242, 4251, 4863, 6322, 8502, 9483, 9726, 18966, 21073, 41093, 42146, 47009, 63219, 82186, 94018, 123279, 126438, 141027, 176689, 246558, 282054, 353378, 530067, 611117, 1060134, 1222234, 1833351, 2296957, 3666702, 4593914, 5123981, 6890871, 10247962, 13781742, 15371943, 30743886, 66611753, 133223506, 199835259, 399670518]

約数ペア:

[(1, 399670518), (2, 199835259), (3, 133223506), (6, 66611753), (13, 30743886), (26, 15371943), (29, 13781742), (39, 10247962), (58, 6890871), (78, 5123981), (87, 4593914), (109, 3666702), (174, 2296957), (218, 1833351), (327, 1222234), (377, 1060134), (654, 611117), (754, 530067), (1131, 353378), (1417, 282054), (1621, 246558), (2262, 176689), (2834, 141027), (3161, 126438), (3242, 123279), (4251, 94018), (4863, 82186), (6322, 63219), (8502, 47009), (9483, 42146), (9726, 41093), (18966, 21073)]