81781466

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{131}}^1\times {\mathrm{1847}}^1$

素因数の和:2006

約数の個数: 24

約数和(自身を含む): 133920864

約数和(自身を除く): 52139398

約数列:

[1, 2, 13, 26, 131, 169, 262, 338, 1703, 1847, 3406, 3694, 22139, 24011, 44278, 48022, 241957, 312143, 483914, 624286, 3145441, 6290882, 40890733, 81781466]

約数ペア:

[(1, 81781466), (2, 40890733), (13, 6290882), (26, 3145441), (131, 624286), (169, 483914), (262, 312143), (338, 241957), (1703, 48022), (1847, 44278), (3406, 24011), (3694, 22139)]