31108231

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1$

素因数の和:295

約数の個数: 32

約数和(自身を含む): 40711680

約数和(自身を除く): 9603449

約数列:

[1, 7, 11, 37, 61, 77, 179, 259, 407, 427, 671, 1253, 1969, 2257, 2849, 4697, 6623, 10919, 13783, 15799, 24827, 46361, 72853, 76433, 120109, 173789, 404003, 509971, 840763, 2828021, 4444033, 31108231]

約数ペア:

[(1, 31108231), (7, 4444033), (11, 2828021), (37, 840763), (61, 509971), (77, 404003), (179, 173789), (259, 120109), (407, 76433), (427, 72853), (671, 46361), (1253, 24827), (1969, 15799), (2257, 13783), (2849, 10919), (4697, 6623)]