78388216

素因数分解:

$2^3\times {\mathrm{139}}^1\times {\mathrm{157}}^1\times {\mathrm{449}}^1$

素因数の和:751

約数の個数: 32

約数和(自身を含む): 149310000

約数和(自身を除く): 70921784

約数列:

[1, 2, 4, 8, 139, 157, 278, 314, 449, 556, 628, 898, 1112, 1256, 1796, 3592, 21823, 43646, 62411, 70493, 87292, 124822, 140986, 174584, 249644, 281972, 499288, 563944, 9798527, 19597054, 39194108, 78388216]

約数ペア:

[(1, 78388216), (2, 39194108), (4, 19597054), (8, 9798527), (139, 563944), (157, 499288), (278, 281972), (314, 249644), (449, 174584), (556, 140986), (628, 124822), (898, 87292), (1112, 70493), (1256, 62411), (1796, 43646), (3592, 21823)]