81454724

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{10513}}^1$

素因数の和:10679

約数の個数: 24

約数和(自身を含む): 154555800

約数和(自身を除く): 73101076

約数列:

[1, 2, 4, 13, 26, 52, 149, 298, 596, 1937, 3874, 7748, 10513, 21026, 42052, 136669, 273338, 546676, 1566437, 3132874, 6265748, 20363681, 40727362, 81454724]

約数ペア:

[(1, 81454724), (2, 40727362), (4, 20363681), (13, 6265748), (26, 3132874), (52, 1566437), (149, 546676), (298, 273338), (596, 136669), (1937, 42052), (3874, 21026), (7748, 10513)]