81974255

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1201}}^1$

素因数の和:1307

約数の個数: 32

約数和(自身を含む): 115276608

約数和(自身を除く): 33302353

約数列:

[1, 5, 11, 17, 55, 73, 85, 187, 365, 803, 935, 1201, 1241, 4015, 6005, 6205, 13211, 13651, 20417, 66055, 68255, 87673, 102085, 224587, 438365, 964403, 1122935, 1490441, 4822015, 7452205, 16394851, 81974255]

約数ペア:

[(1, 81974255), (5, 16394851), (11, 7452205), (17, 4822015), (55, 1490441), (73, 1122935), (85, 964403), (187, 438365), (365, 224587), (803, 102085), (935, 87673), (1201, 68255), (1241, 66055), (4015, 20417), (6005, 13651), (6205, 13211)]