128632679

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{10867}}^1$

素因数の和:10982

約数の個数: 16

約数和(自身を含む): 156499200

約数和(自身を除く): 27866521

約数列:

[1, 7, 19, 89, 133, 623, 1691, 10867, 11837, 76069, 206473, 967163, 1445311, 6770141, 18376097, 128632679]

約数ペア:

[(1, 128632679), (7, 18376097), (19, 6770141), (89, 1445311), (133, 967163), (623, 206473), (1691, 76069), (10867, 11837)]