865004530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{487}}^1\times {\mathrm{1051}}^1$

素因数の和:1571

約数の個数: 48

約数和(自身を含む): 1691060544

約数和(自身を除く): 826056014

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 487, 845, 974, 1051, 1690, 2102, 2435, 4870, 5255, 6331, 10510, 12662, 13663, 27326, 31655, 63310, 68315, 82303, 136630, 164606, 177619, 355238, 411515, 511837, 823030, 888095, 1023674, 1776190, 2559185, 5118370, 6653881, 13307762, 33269405, 66538810, 86500453, 173000906, 432502265, 865004530]

約数ペア:

[(1, 865004530), (2, 432502265), (5, 173000906), (10, 86500453), (13, 66538810), (26, 33269405), (65, 13307762), (130, 6653881), (169, 5118370), (338, 2559185), (487, 1776190), (845, 1023674), (974, 888095), (1051, 823030), (1690, 511837), (2102, 411515), (2435, 355238), (4870, 177619), (5255, 164606), (6331, 136630), (10510, 82303), (12662, 68315), (13663, 63310), (27326, 31655)]