128778910

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{58271}}^1$

素因数の和:58308

約数の個数: 32

約数和(自身を含む): 264321792

約数和(自身を除く): 135542882

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 58271, 116542, 291355, 582710, 757523, 990607, 1515046, 1981214, 3787615, 4953035, 7575230, 9906070, 12877891, 25755782, 64389455, 128778910]

約数ペア:

[(1, 128778910), (2, 64389455), (5, 25755782), (10, 12877891), (13, 9906070), (17, 7575230), (26, 4953035), (34, 3787615), (65, 1981214), (85, 1515046), (130, 990607), (170, 757523), (221, 582710), (442, 291355), (1105, 116542), (2210, 58271)]