31497968

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{12539}}^1$

素因数の和:12704

約数の個数: 20

約数和(自身を含む): 61420920

約数和(自身を除く): 29922952

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 12539, 25078, 50156, 100312, 200624, 1968623, 3937246, 7874492, 15748984, 31497968]

約数ペア:

[(1, 31497968), (2, 15748984), (4, 7874492), (8, 3937246), (16, 1968623), (157, 200624), (314, 100312), (628, 50156), (1256, 25078), (2512, 12539)]