156420055

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{281}}^1\times {\mathrm{349}}^1$

素因数の和:675

約数の個数: 32

約数和(自身を含む): 213192000

約数和(自身を除く): 56771945

約数列:

[1, 5, 11, 29, 55, 145, 281, 319, 349, 1405, 1595, 1745, 3091, 3839, 8149, 10121, 15455, 19195, 40745, 50605, 89639, 98069, 111331, 448195, 490345, 556655, 1078759, 2844001, 5393795, 14220005, 31284011, 156420055]

約数ペア:

[(1, 156420055), (5, 31284011), (11, 14220005), (29, 5393795), (55, 2844001), (145, 1078759), (281, 556655), (319, 490345), (349, 448195), (1405, 111331), (1595, 98069), (1745, 89639), (3091, 50605), (3839, 40745), (8149, 19195), (10121, 15455)]