1138889905

素因数分解:

$5^1\times {\mathrm{137}}^1\times {\mathrm{331}}^1\times {\mathrm{5023}}^1$

素因数の和:5496

約数の個数: 16

約数和(自身を含む): 1381077504

約数和(自身を除く): 242187599

約数列:

[1, 5, 137, 331, 685, 1655, 5023, 25115, 45347, 226735, 688151, 1662613, 3440755, 8313065, 227777981, 1138889905]

約数ペア:

[(1, 1138889905), (5, 227777981), (137, 8313065), (331, 3440755), (685, 1662613), (1655, 688151), (5023, 226735), (25115, 45347)]