1280886258

素因数分解:

$2^1\times 3^1\times {\mathrm{12781}}^1\times {\mathrm{16703}}^1$

素因数の和:29489

約数の個数: 16

約数和(自身を含む): 2562126336

約数和(自身を除く): 1281240078

約数列:

[1, 2, 3, 6, 12781, 16703, 25562, 33406, 38343, 50109, 76686, 100218, 213481043, 426962086, 640443129, 1280886258]

約数ペア:

[(1, 1280886258), (2, 640443129), (3, 426962086), (6, 213481043), (12781, 100218), (16703, 76686), (25562, 50109), (33406, 38343)]