207972076

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{307651}}^1$

素因数の和:307681

約数の個数: 18

約数和(自身を含む): 394102212

約数和(自身を除く): 186130136

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 307651, 615302, 1230604, 3999463, 7998926, 15997852, 51993019, 103986038, 207972076]

約数ペア:

[(1, 207972076), (2, 103986038), (4, 51993019), (13, 15997852), (26, 7998926), (52, 3999463), (169, 1230604), (338, 615302), (676, 307651)]