139791860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{537661}}^1$

素因数の和:537683

約数の個数: 24

約数和(自身を含む): 316145256

約数和(自身を除く): 176353396

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 537661, 1075322, 2150644, 2688305, 5376610, 6989593, 10753220, 13979186, 27958372, 34947965, 69895930, 139791860]

約数ペア:

[(1, 139791860), (2, 69895930), (4, 34947965), (5, 27958372), (10, 13979186), (13, 10753220), (20, 6989593), (26, 5376610), (52, 2688305), (65, 2150644), (130, 1075322), (260, 537661)]