221355145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{27011}}^1$

素因数の和:27176

約数の個数: 16

約数和(自身を含む): 291729600

約数和(自身を除く): 70374455

約数列:

[1, 5, 11, 55, 149, 745, 1639, 8195, 27011, 135055, 297121, 1485605, 4024639, 20123195, 44271029, 221355145]

約数ペア:

[(1, 221355145), (5, 44271029), (11, 20123195), (55, 4024639), (149, 1485605), (745, 297121), (1639, 135055), (8195, 27011)]