161296070

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1240739}}^1$

素因数の和:1240759

約数の個数: 16

約数和(自身を含む): 312666480

約数和(自身を除く): 151370410

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1240739, 2481478, 6203695, 12407390, 16129607, 32259214, 80648035, 161296070]

約数ペア:

[(1, 161296070), (2, 80648035), (5, 32259214), (10, 16129607), (13, 12407390), (26, 6203695), (65, 2481478), (130, 1240739)]