138891740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{534199}}^1$

素因数の和:534221

約数の個数: 24

約数和(自身を含む): 314109600

約数和(自身を除く): 175217860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 534199, 1068398, 2136796, 2670995, 5341990, 6944587, 10683980, 13889174, 27778348, 34722935, 69445870, 138891740]

約数ペア:

[(1, 138891740), (2, 69445870), (4, 34722935), (5, 27778348), (10, 13889174), (13, 10683980), (20, 6944587), (26, 5341990), (52, 2670995), (65, 2136796), (130, 1068398), (260, 534199)]