31894288

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{64303}}^1$

素因数の和:64342

約数の個数: 20

約数和(自身を含む): 63789568

約数和(自身を除く): 31895280

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 64303, 128606, 257212, 514424, 1028848, 1993393, 3986786, 7973572, 15947144, 31894288]

約数ペア:

[(1, 31894288), (2, 15947144), (4, 7973572), (8, 3986786), (16, 1993393), (31, 1028848), (62, 514424), (124, 257212), (248, 128606), (496, 64303)]