12997655

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^2\times {\mathrm{281}}^1$

素因数の和:355

約数の個数: 24

約数和(自身を含む): 17684784

約数和(自身を除く): 4687129

約数列:

[1, 5, 11, 29, 55, 145, 281, 319, 841, 1405, 1595, 3091, 4205, 8149, 9251, 15455, 40745, 46255, 89639, 236321, 448195, 1181605, 2599531, 12997655]

約数ペア:

[(1, 12997655), (5, 2599531), (11, 1181605), (29, 448195), (55, 236321), (145, 89639), (281, 46255), (319, 40745), (841, 15455), (1405, 9251), (1595, 8149), (3091, 4205)]