639331316

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{208387}}^1$

素因数の和:208463

約数の個数: 24

約数和(自身を含む): 1225321440

約数和(自身を除く): 585990124

約数列:

[1, 2, 4, 13, 26, 52, 59, 118, 236, 767, 1534, 3068, 208387, 416774, 833548, 2709031, 5418062, 10836124, 12294833, 24589666, 49179332, 159832829, 319665658, 639331316]

約数ペア:

[(1, 639331316), (2, 319665658), (4, 159832829), (13, 49179332), (26, 24589666), (52, 12294833), (59, 10836124), (118, 5418062), (236, 2709031), (767, 833548), (1534, 416774), (3068, 208387)]