521170013

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{2111}}^1\times {\mathrm{2713}}^1$

素因数の和:4844

約数の個数: 16

約数和(自身を含む): 641980416

約数和(自身を除く): 120810403

約数列:

[1, 7, 13, 91, 2111, 2713, 14777, 18991, 27443, 35269, 192101, 246883, 5727143, 40090001, 74452859, 521170013]

約数ペア:

[(1, 521170013), (7, 74452859), (13, 40090001), (91, 5727143), (2111, 246883), (2713, 192101), (14777, 35269), (18991, 27443)]