81396614

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{21011}}^1$

素因数の和:21175

約数の個数: 16

約数和(自身を含む): 132375600

約数和(自身を除く): 50978986

約数列:

[1, 2, 13, 26, 149, 298, 1937, 3874, 21011, 42022, 273143, 546286, 3130639, 6261278, 40698307, 81396614]

約数ペア:

[(1, 81396614), (2, 40698307), (13, 6261278), (26, 3130639), (149, 546286), (298, 273143), (1937, 42022), (3874, 21011)]