399971364

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{88411}}^1$

素因数の和:88460

約数の個数: 48

約数和(自身を含む): 1039725120

約数和(自身を除く): 639753756

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 29, 39, 52, 58, 78, 87, 116, 156, 174, 348, 377, 754, 1131, 1508, 2262, 4524, 88411, 176822, 265233, 353644, 530466, 1060932, 1149343, 2298686, 2563919, 3448029, 4597372, 5127838, 6896058, 7691757, 10255676, 13792116, 15383514, 30767028, 33330947, 66661894, 99992841, 133323788, 199985682, 399971364]

約数ペア:

[(1, 399971364), (2, 199985682), (3, 133323788), (4, 99992841), (6, 66661894), (12, 33330947), (13, 30767028), (26, 15383514), (29, 13792116), (39, 10255676), (52, 7691757), (58, 6896058), (78, 5127838), (87, 4597372), (116, 3448029), (156, 2563919), (174, 2298686), (348, 1149343), (377, 1060932), (754, 530466), (1131, 353644), (1508, 265233), (2262, 176822), (4524, 88411)]