157215928

素因数分解:

$2^3\times {\mathrm{307}}^1\times {\mathrm{64013}}^1$

素因数の和:64326

約数の個数: 16

約数和(自身を含む): 295744680

約数和(自身を除く): 138528752

約数列:

[1, 2, 4, 8, 307, 614, 1228, 2456, 64013, 128026, 256052, 512104, 19651991, 39303982, 78607964, 157215928]

約数ペア:

[(1, 157215928), (2, 78607964), (4, 39303982), (8, 19651991), (307, 512104), (614, 256052), (1228, 128026), (2456, 64013)]