196948921

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{397}}^1\times {\mathrm{1231}}^1$

素因数の和:1672

約数の個数: 16

約数和(自身を含む): 219670528

約数和(自身を除く): 22721607

約数列:

[1, 13, 31, 397, 403, 1231, 5161, 12307, 16003, 38161, 159991, 488707, 496093, 6353191, 15149917, 196948921]

約数ペア:

[(1, 196948921), (13, 15149917), (31, 6353191), (397, 496093), (403, 488707), (1231, 159991), (5161, 38161), (12307, 16003)]