12661090

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{337}}^1$

素因数の和:391

約数の個数: 48

約数和(自身を含む): 26149032

約数和(自身を除く): 13487942

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 289, 337, 442, 578, 674, 1105, 1445, 1685, 2210, 2890, 3370, 3757, 4381, 5729, 7514, 8762, 11458, 18785, 21905, 28645, 37570, 43810, 57290, 74477, 97393, 148954, 194786, 372385, 486965, 744770, 973930, 1266109, 2532218, 6330545, 12661090]

約数ペア:

[(1, 12661090), (2, 6330545), (5, 2532218), (10, 1266109), (13, 973930), (17, 744770), (26, 486965), (34, 372385), (65, 194786), (85, 148954), (130, 97393), (170, 74477), (221, 57290), (289, 43810), (337, 37570), (442, 28645), (578, 21905), (674, 18785), (1105, 11458), (1445, 8762), (1685, 7514), (2210, 5729), (2890, 4381), (3370, 3757)]