258507632

素因数分解:

$2^4\times {\mathrm{409}}^1\times {\mathrm{39503}}^1$

素因数の和:39920

約数の個数: 20

約数和(自身を含む): 502095840

約数和(自身を除く): 243588208

約数列:

[1, 2, 4, 8, 16, 409, 818, 1636, 3272, 6544, 39503, 79006, 158012, 316024, 632048, 16156727, 32313454, 64626908, 129253816, 258507632]

約数ペア:

[(1, 258507632), (2, 129253816), (4, 64626908), (8, 32313454), (16, 16156727), (409, 632048), (818, 316024), (1636, 158012), (3272, 79006), (6544, 39503)]