870848290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{394049}}^1$

素因数の和:394086

約数の個数: 32

約数和(自身を含む): 1787410800

約数和(自身を除く): 916562510

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 394049, 788098, 1970245, 3940490, 5122637, 6698833, 10245274, 13397666, 25613185, 33494165, 51226370, 66988330, 87084829, 174169658, 435424145, 870848290]

約数ペア:

[(1, 870848290), (2, 435424145), (5, 174169658), (10, 87084829), (13, 66988330), (17, 51226370), (26, 33494165), (34, 25613185), (65, 13397666), (85, 10245274), (130, 6698833), (170, 5122637), (221, 3940490), (442, 1970245), (1105, 788098), (2210, 394049)]