8181584

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{3257}}^1$

素因数の和:3422

約数の個数: 20

約数和(自身を含む): 15957684

約数和(自身を除く): 7776100

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 3257, 6514, 13028, 26056, 52112, 511349, 1022698, 2045396, 4090792, 8181584]

約数ペア:

[(1, 8181584), (2, 4090792), (4, 2045396), (8, 1022698), (16, 511349), (157, 52112), (314, 26056), (628, 13028), (1256, 6514), (2512, 3257)]