3971398561

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{138797}}^1$

素因数の和:138912

約数の個数: 16

約数和(自身を含む): 4477068288

約数和(自身を除く): 505669727

約数列:

[1, 13, 31, 71, 403, 923, 2201, 28613, 138797, 1804361, 4302707, 9854587, 55935191, 128109631, 305492197, 3971398561]

約数ペア:

[(1, 3971398561), (13, 305492197), (31, 128109631), (71, 55935191), (403, 9854587), (923, 4302707), (2201, 1804361), (28613, 138797)]