221523025

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{5009}}^1$

素因数の和:5109

約数の個数: 24

約数和(自身を含む): 288876600

約数和(自身を除く): 67353575

約数列:

[1, 5, 25, 29, 61, 145, 305, 725, 1525, 1769, 5009, 8845, 25045, 44225, 125225, 145261, 305549, 726305, 1527745, 3631525, 7638725, 8860921, 44304605, 221523025]

約数ペア:

[(1, 221523025), (5, 44304605), (25, 8860921), (29, 7638725), (61, 3631525), (145, 1527745), (305, 726305), (725, 305549), (1525, 145261), (1769, 125225), (5009, 44225), (8845, 25045)]