31679324

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{113}}^1\times {\mathrm{643}}^1$

素因数の和:869

約数の個数: 24

約数和(自身を含む): 56530320

約数和(自身を除く): 24850996

約数列:

[1, 2, 4, 109, 113, 218, 226, 436, 452, 643, 1286, 2572, 12317, 24634, 49268, 70087, 72659, 140174, 145318, 280348, 290636, 7919831, 15839662, 31679324]

約数ペア:

[(1, 31679324), (2, 15839662), (4, 7919831), (109, 290636), (113, 280348), (218, 145318), (226, 140174), (436, 72659), (452, 70087), (643, 49268), (1286, 24634), (2572, 12317)]