1978613

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1279}}^1$

素因数の和:1316

約数の個数: 16

約数和(自身を含む): 2580480

約数和(自身を除く): 601867

約数列:

[1, 7, 13, 17, 91, 119, 221, 1279, 1547, 8953, 16627, 21743, 116389, 152201, 282659, 1978613]

約数ペア:

[(1, 1978613), (7, 282659), (13, 152201), (17, 116389), (91, 21743), (119, 16627), (221, 8953), (1279, 1547)]