78707536

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{119981}}^1$

素因数の和:120030

約数の個数: 20

約数和(自身を含む): 156216564

約数和(自身を除く): 77509028

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 119981, 239962, 479924, 959848, 1919696, 4919221, 9838442, 19676884, 39353768, 78707536]

約数ペア:

[(1, 78707536), (2, 39353768), (4, 19676884), (8, 9838442), (16, 4919221), (41, 1919696), (82, 959848), (164, 479924), (328, 239962), (656, 119981)]