71938192

素因数分解:

$2^4\times {\mathrm{409}}^1\times {\mathrm{10993}}^1$

素因数の和:11410

約数の個数: 20

約数和(自身を含む): 139733740

約数和(自身を除く): 67795548

約数列:

[1, 2, 4, 8, 16, 409, 818, 1636, 3272, 6544, 10993, 21986, 43972, 87944, 175888, 4496137, 8992274, 17984548, 35969096, 71938192]

約数ペア:

[(1, 71938192), (2, 35969096), (4, 17984548), (8, 8992274), (16, 4496137), (409, 175888), (818, 87944), (1636, 43972), (3272, 21986), (6544, 10993)]