128479984

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{217027}}^1$

素因数の和:217072

約数の個数: 20

約数和(自身を含む): 255658984

約数和(自身を除く): 127179000

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 217027, 434054, 868108, 1736216, 3472432, 8029999, 16059998, 32119996, 64239992, 128479984]

約数ペア:

[(1, 128479984), (2, 64239992), (4, 32119996), (8, 16059998), (16, 8029999), (37, 3472432), (74, 1736216), (148, 868108), (296, 434054), (592, 217027)]