390661312

素因数分解:

$2^6\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{577}}^1$

素因数の和:809

約数の個数: 56

約数和(自身を含む): 792784800

約数和(自身を除く): 402123488

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 142, 149, 284, 298, 568, 577, 596, 1136, 1154, 1192, 2272, 2308, 2384, 4544, 4616, 4768, 9232, 9536, 10579, 18464, 21158, 36928, 40967, 42316, 81934, 84632, 85973, 163868, 169264, 171946, 327736, 338528, 343892, 655472, 677056, 687784, 1310944, 1375568, 2621888, 2751136, 5502272, 6104083, 12208166, 24416332, 48832664, 97665328, 195330656, 390661312]

約数ペア:

[(1, 390661312), (2, 195330656), (4, 97665328), (8, 48832664), (16, 24416332), (32, 12208166), (64, 6104083), (71, 5502272), (142, 2751136), (149, 2621888), (284, 1375568), (298, 1310944), (568, 687784), (577, 677056), (596, 655472), (1136, 343892), (1154, 338528), (1192, 327736), (2272, 171946), (2308, 169264), (2384, 163868), (4544, 85973), (4616, 84632), (4768, 81934), (9232, 42316), (9536, 40967), (10579, 36928), (18464, 21158)]