8881145

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{149}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 13305600

約数和(自身を除く): 4424455

約数列:

[1, 5, 7, 13, 35, 65, 91, 131, 149, 455, 655, 745, 917, 1043, 1703, 1937, 4585, 5215, 8515, 9685, 11921, 13559, 19519, 59605, 67795, 97595, 136633, 253747, 683165, 1268735, 1776229, 8881145]

約数ペア:

[(1, 8881145), (5, 1776229), (7, 1268735), (13, 683165), (35, 253747), (65, 136633), (91, 97595), (131, 67795), (149, 59605), (455, 19519), (655, 13559), (745, 11921), (917, 9685), (1043, 8515), (1703, 5215), (1937, 4585)]