173317820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{666607}}^1$

素因数の和:666629

約数の個数: 24

約数和(自身を含む): 391965504

約数和(自身を除く): 218647684

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 666607, 1333214, 2666428, 3333035, 6666070, 8665891, 13332140, 17331782, 34663564, 43329455, 86658910, 173317820]

約数ペア:

[(1, 173317820), (2, 86658910), (4, 43329455), (5, 34663564), (10, 17331782), (13, 13332140), (20, 8665891), (26, 6666070), (52, 3333035), (65, 2666428), (130, 1333214), (260, 666607)]