31991045

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{1867}}^1$

素因数の和:2044

約数の個数: 16

約数和(自身を含む): 40348800

約数和(自身を除く): 8357755

約数列:

[1, 5, 23, 115, 149, 745, 1867, 3427, 9335, 17135, 42941, 214705, 278183, 1390915, 6398209, 31991045]

約数ペア:

[(1, 31991045), (5, 6398209), (23, 1390915), (115, 278183), (149, 214705), (745, 42941), (1867, 17135), (3427, 9335)]