64881310

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{1283}}^1$

素因数の和:1692

約数の個数: 32

約数和(自身を含む): 126191520

約数和(自身を除く): 61310210

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 389, 778, 1283, 1945, 2566, 3890, 5057, 6415, 10114, 12830, 16679, 25285, 33358, 50570, 83395, 166790, 499087, 998174, 2495435, 4990870, 6488131, 12976262, 32440655, 64881310]

約数ペア:

[(1, 64881310), (2, 32440655), (5, 12976262), (10, 6488131), (13, 4990870), (26, 2495435), (65, 998174), (130, 499087), (389, 166790), (778, 83395), (1283, 50570), (1945, 33358), (2566, 25285), (3890, 16679), (5057, 12830), (6415, 10114)]