647718370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4982449}}^1$

素因数の和:4982469

約数の個数: 16

約数和(自身を含む): 1255577400

約数和(自身を除く): 607859030

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 4982449, 9964898, 24912245, 49824490, 64771837, 129543674, 323859185, 647718370]

約数ペア:

[(1, 647718370), (2, 323859185), (5, 129543674), (10, 64771837), (13, 49824490), (26, 24912245), (65, 9964898), (130, 4982449)]