280181906

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{3221}}^1$

素因数の和:3338

約数の個数: 32

約数和(自身を含む): 460256256

約数和(自身を除く): 180074350

約数列:

[1, 2, 23, 31, 46, 61, 62, 122, 713, 1403, 1426, 1891, 2806, 3221, 3782, 6442, 43493, 74083, 86986, 99851, 148166, 196481, 199702, 392962, 2296573, 4519063, 4593146, 6090911, 9038126, 12181822, 140090953, 280181906]

約数ペア:

[(1, 280181906), (2, 140090953), (23, 12181822), (31, 9038126), (46, 6090911), (61, 4593146), (62, 4519063), (122, 2296573), (713, 392962), (1403, 199702), (1426, 196481), (1891, 148166), (2806, 99851), (3221, 86986), (3782, 74083), (6442, 43493)]