64707890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{1217}}^1$

素因数の和:1646

約数の個数: 32

約数和(自身を含む): 125843760

約数和(自身を除く): 61135870

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 409, 818, 1217, 2045, 2434, 4090, 5317, 6085, 10634, 12170, 15821, 26585, 31642, 53170, 79105, 158210, 497753, 995506, 2488765, 4977530, 6470789, 12941578, 32353945, 64707890]

約数ペア:

[(1, 64707890), (2, 32353945), (5, 12941578), (10, 6470789), (13, 4977530), (26, 2488765), (65, 995506), (130, 497753), (409, 158210), (818, 79105), (1217, 53170), (2045, 31642), (2434, 26585), (4090, 15821), (5317, 12170), (6085, 10634)]