81901724

素因数分解:

$2^2\times {\mathrm{131}}^1\times {\mathrm{149}}^1\times {\mathrm{1049}}^1$

素因数の和:1333

約数の個数: 24

約数和(自身を含む): 145530000

約数和(自身を除く): 63628276

約数列:

[1, 2, 4, 131, 149, 262, 298, 524, 596, 1049, 2098, 4196, 19519, 39038, 78076, 137419, 156301, 274838, 312602, 549676, 625204, 20475431, 40950862, 81901724]

約数ペア:

[(1, 81901724), (2, 40950862), (4, 20475431), (131, 625204), (149, 549676), (262, 312602), (298, 274838), (524, 156301), (596, 137419), (1049, 78076), (2098, 39038), (4196, 19519)]