1290101735

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{640249}}^1$

素因数の和:640298

約数の個数: 16

約数和(自身を含む): 1720992000

約数和(自身を除く): 430890265

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 640249, 3201245, 8323237, 19847719, 41616185, 99238595, 258020347, 1290101735]

約数ペア:

[(1, 1290101735), (5, 258020347), (13, 99238595), (31, 41616185), (65, 19847719), (155, 8323237), (403, 3201245), (2015, 640249)]