639438814

素因数分解:

$2^1\times 7^1\times {\mathrm{59}}^2\times {\mathrm{13121}}^1$

素因数の和:13248

約数の個数: 24

約数和(自身を含む): 1115160048

約数和(自身を除く): 475721234

約数列:

[1, 2, 7, 14, 59, 118, 413, 826, 3481, 6962, 13121, 24367, 26242, 48734, 91847, 183694, 774139, 1548278, 5418973, 10837946, 45674201, 91348402, 319719407, 639438814]

約数ペア:

[(1, 639438814), (2, 319719407), (7, 91348402), (14, 45674201), (59, 10837946), (118, 5418973), (413, 1548278), (826, 774139), (3481, 183694), (6962, 91847), (13121, 48734), (24367, 26242)]