25521512

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{389}}^1$

素因数の和:593

約数の個数: 32

約数和(自身を含む): 49140000

約数和(自身を除く): 23618488

約数列:

[1, 2, 4, 8, 59, 118, 139, 236, 278, 389, 472, 556, 778, 1112, 1556, 3112, 8201, 16402, 22951, 32804, 45902, 54071, 65608, 91804, 108142, 183608, 216284, 432568, 3190189, 6380378, 12760756, 25521512]

約数ペア:

[(1, 25521512), (2, 12760756), (4, 6380378), (8, 3190189), (59, 432568), (118, 216284), (139, 183608), (236, 108142), (278, 91804), (389, 65608), (472, 54071), (556, 45902), (778, 32804), (1112, 22951), (1556, 16402), (3112, 8201)]