81429218

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{10837}}^1$

素因数の和:10886

約数の個数: 24

約数和(自身を含む): 139745172

約数和(自身を除く): 58315954

約数列:

[1, 2, 13, 17, 26, 34, 221, 289, 442, 578, 3757, 7514, 10837, 21674, 140881, 184229, 281762, 368458, 2394977, 3131893, 4789954, 6263786, 40714609, 81429218]

約数ペア:

[(1, 81429218), (2, 40714609), (13, 6263786), (17, 4789954), (26, 3131893), (34, 2394977), (221, 368458), (289, 281762), (442, 184229), (578, 140881), (3757, 21674), (7514, 10837)]