208781508

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1338343}}^1$

素因数の和:1338363

約数の個数: 24

約数和(自身を含む): 524630848

約数和(自身を除く): 315849340

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 1338343, 2676686, 4015029, 5353372, 8030058, 16060116, 17398459, 34796918, 52195377, 69593836, 104390754, 208781508]

約数ペア:

[(1, 208781508), (2, 104390754), (3, 69593836), (4, 52195377), (6, 34796918), (12, 17398459), (13, 16060116), (26, 8030058), (39, 5353372), (52, 4015029), (78, 2676686), (156, 1338343)]