724062820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2784857}}^1$

素因数の和:2784879

約数の個数: 24

約数和(自身を含む): 1637496504

約数和(自身を除く): 913433684

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2784857, 5569714, 11139428, 13924285, 27848570, 36203141, 55697140, 72406282, 144812564, 181015705, 362031410, 724062820]

約数ペア:

[(1, 724062820), (2, 362031410), (4, 181015705), (5, 144812564), (10, 72406282), (13, 55697140), (20, 36203141), (26, 27848570), (52, 13924285), (65, 11139428), (130, 5569714), (260, 2784857)]