154927805

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{211}}^1$

素因数の和:425

約数の個数: 32

約数和(自身を含む): 201484800

約数和(自身を除く): 46556995

約数列:

[1, 5, 19, 59, 95, 131, 211, 295, 655, 1055, 1121, 2489, 4009, 5605, 7729, 12445, 12449, 20045, 27641, 38645, 62245, 138205, 146851, 236531, 525179, 734255, 1182655, 1630819, 2625895, 8154095, 30985561, 154927805]

約数ペア:

[(1, 154927805), (5, 30985561), (19, 8154095), (59, 2625895), (95, 1630819), (131, 1182655), (211, 734255), (295, 525179), (655, 236531), (1055, 146851), (1121, 138205), (2489, 62245), (4009, 38645), (5605, 27641), (7729, 20045), (12445, 12449)]