30721712

素因数分解:

$2^4\times 7^1\times {\mathrm{274301}}^1$

素因数の和:274316

約数の個数: 20

約数和(自身を含む): 68026896

約数和(自身を除く): 37305184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 274301, 548602, 1097204, 1920107, 2194408, 3840214, 4388816, 7680428, 15360856, 30721712]

約数ペア:

[(1, 30721712), (2, 15360856), (4, 7680428), (7, 4388816), (8, 3840214), (14, 2194408), (16, 1920107), (28, 1097204), (56, 548602), (112, 274301)]