81903448

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{211}}^1\times {\mathrm{401}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 170021880

約数和(自身を除く): 88118432

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 211, 242, 401, 422, 484, 802, 844, 968, 1604, 1688, 2321, 3208, 4411, 4642, 8822, 9284, 17644, 18568, 25531, 35288, 48521, 51062, 84611, 97042, 102124, 169222, 194084, 204248, 338444, 388168, 676888, 930721, 1861442, 3722884, 7445768, 10237931, 20475862, 40951724, 81903448]

約数ペア:

[(1, 81903448), (2, 40951724), (4, 20475862), (8, 10237931), (11, 7445768), (22, 3722884), (44, 1861442), (88, 930721), (121, 676888), (211, 388168), (242, 338444), (401, 204248), (422, 194084), (484, 169222), (802, 102124), (844, 97042), (968, 84611), (1604, 51062), (1688, 48521), (2321, 35288), (3208, 25531), (4411, 18568), (4642, 17644), (8822, 9284)]