31641638

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{72907}}^1$

素因数の和:72947

約数の個数: 16

約数和(自身を含む): 55993344

約数和(自身を除く): 24351706

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 72907, 145814, 510349, 1020698, 2260117, 4520234, 15820819, 31641638]

約数ペア:

[(1, 31641638), (2, 15820819), (7, 4520234), (14, 2260117), (31, 1020698), (62, 510349), (217, 145814), (434, 72907)]