31171408

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{12409}}^1$

素因数の和:12574

約数の個数: 20

約数和(自身を含む): 60784180

約数和(自身を除く): 29612772

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 12409, 24818, 49636, 99272, 198544, 1948213, 3896426, 7792852, 15585704, 31171408]

約数ペア:

[(1, 31171408), (2, 15585704), (4, 7792852), (8, 3896426), (16, 1948213), (157, 198544), (314, 99272), (628, 49636), (1256, 24818), (2512, 12409)]