42831719

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{1049}}^1$

素因数の和:1382

約数の個数: 16

約数和(自身を含む): 51744000

約数和(自身を除く): 8912281

約数列:

[1, 7, 19, 133, 307, 1049, 2149, 5833, 7343, 19931, 40831, 139517, 322043, 2254301, 6118817, 42831719]

約数ペア:

[(1, 42831719), (7, 6118817), (19, 2254301), (133, 322043), (307, 139517), (1049, 40831), (2149, 19931), (5833, 7343)]