315256

素因数分解:

$2^3\times {\mathrm{157}}^1\times {\mathrm{251}}^1$

素因数の和:414

約数の個数: 16

約数和(自身を含む): 597240

約数和(自身を除く): 281984

約数列:

[1, 2, 4, 8, 157, 251, 314, 502, 628, 1004, 1256, 2008, 39407, 78814, 157628, 315256]

約数ペア:

[(1, 315256), (2, 157628), (4, 78814), (8, 39407), (157, 2008), (251, 1256), (314, 1004), (502, 628)]