68618810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{17027}}^1$

素因数の和:17078

約数の個数: 32

約数和(自身を含む): 137313792

約数和(自身を除く): 68694982

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 17027, 34054, 85135, 170270, 221351, 442702, 527837, 1055674, 1106755, 2213510, 2639185, 5278370, 6861881, 13723762, 34309405, 68618810]

約数ペア:

[(1, 68618810), (2, 34309405), (5, 13723762), (10, 6861881), (13, 5278370), (26, 2639185), (31, 2213510), (62, 1106755), (65, 1055674), (130, 527837), (155, 442702), (310, 221351), (403, 170270), (806, 85135), (2015, 34054), (4030, 17027)]