155118512

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{61751}}^1$

素因数の和:61916

約数の個数: 20

約数和(自身を含む): 302461296

約数和(自身を除く): 147342784

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 61751, 123502, 247004, 494008, 988016, 9694907, 19389814, 38779628, 77559256, 155118512]

約数ペア:

[(1, 155118512), (2, 77559256), (4, 38779628), (8, 19389814), (16, 9694907), (157, 988016), (314, 494008), (628, 247004), (1256, 123502), (2512, 61751)]