389664128

素因数分解:

$2^7\times 7^1\times {\mathrm{421}}^1\times {\mathrm{1033}}^1$

素因数の和:1475

約数の個数: 64

約数和(自身を含む): 890149920

約数和(自身を除く): 500485792

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 421, 448, 842, 896, 1033, 1684, 2066, 2947, 3368, 4132, 5894, 6736, 7231, 8264, 11788, 13472, 14462, 16528, 23576, 26944, 28924, 33056, 47152, 53888, 57848, 66112, 94304, 115696, 132224, 188608, 231392, 377216, 434893, 462784, 869786, 925568, 1739572, 3044251, 3479144, 6088502, 6958288, 12177004, 13916576, 24354008, 27833152, 48708016, 55666304, 97416032, 194832064, 389664128]

約数ペア:

[(1, 389664128), (2, 194832064), (4, 97416032), (7, 55666304), (8, 48708016), (14, 27833152), (16, 24354008), (28, 13916576), (32, 12177004), (56, 6958288), (64, 6088502), (112, 3479144), (128, 3044251), (224, 1739572), (421, 925568), (448, 869786), (842, 462784), (896, 434893), (1033, 377216), (1684, 231392), (2066, 188608), (2947, 132224), (3368, 115696), (4132, 94304), (5894, 66112), (6736, 57848), (7231, 53888), (8264, 47152), (11788, 33056), (13472, 28924), (14462, 26944), (16528, 23576)]