27740830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{213391}}^1$

素因数の和:213411

約数の個数: 16

約数和(自身を含む): 53774784

約数和(自身を除く): 26033954

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 213391, 426782, 1066955, 2133910, 2774083, 5548166, 13870415, 27740830]

約数ペア:

[(1, 27740830), (2, 13870415), (5, 5548166), (10, 2774083), (13, 2133910), (26, 1066955), (65, 426782), (130, 213391)]