156797290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{70949}}^1$

素因数の和:70986

約数の個数: 32

約数和(自身を含む): 321829200

約数和(自身を除く): 165031910

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 70949, 141898, 354745, 709490, 922337, 1206133, 1844674, 2412266, 4611685, 6030665, 9223370, 12061330, 15679729, 31359458, 78398645, 156797290]

約数ペア:

[(1, 156797290), (2, 78398645), (5, 31359458), (10, 15679729), (13, 12061330), (17, 9223370), (26, 6030665), (34, 4611685), (65, 2412266), (85, 1844674), (130, 1206133), (170, 922337), (221, 709490), (442, 354745), (1105, 141898), (2210, 70949)]