81712196

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{149}}^1\times {\mathrm{1931}}^1$

素因数の和:2155

約数の個数: 24

約数和(自身を含む): 146059200

約数和(自身を除く): 64347004

約数列:

[1, 2, 4, 71, 142, 149, 284, 298, 596, 1931, 3862, 7724, 10579, 21158, 42316, 137101, 274202, 287719, 548404, 575438, 1150876, 20428049, 40856098, 81712196]

約数ペア:

[(1, 81712196), (2, 40856098), (4, 20428049), (71, 1150876), (142, 575438), (149, 548404), (284, 287719), (298, 274202), (596, 137101), (1931, 42316), (3862, 21158), (7724, 10579)]