123457072

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{108677}}^1$

素因数の和:108756

約数の個数: 20

約数和(自身を含む): 242569296

約数和(自身を除く): 119112224

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 108677, 217354, 434708, 869416, 1738832, 7716067, 15432134, 30864268, 61728536, 123457072]

約数ペア:

[(1, 123457072), (2, 61728536), (4, 30864268), (8, 15432134), (16, 7716067), (71, 1738832), (142, 869416), (284, 434708), (568, 217354), (1136, 108677)]