990760001

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{51263}}^1$

素因数の和:51532

約数の個数: 16

約数和(自身を含む): 1240178688

約数和(自身を除く): 249418687

約数列:

[1, 7, 11, 77, 251, 1757, 2761, 19327, 51263, 358841, 563893, 3947251, 12867013, 90069091, 141537143, 990760001]

約数ペア:

[(1, 990760001), (7, 141537143), (11, 90069091), (77, 12867013), (251, 3947251), (1757, 563893), (2761, 358841), (19327, 51263)]