1901135225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{22229}}^1$

素因数の和:22561

約数の個数: 24

約数和(自身を含む): 2580102720

約数和(自身を除く): 678967495

約数列:

[1, 5, 11, 25, 55, 275, 311, 1555, 3421, 7775, 17105, 22229, 85525, 111145, 244519, 555725, 1222595, 6112975, 6913219, 34566095, 76045409, 172830475, 380227045, 1901135225]

約数ペア:

[(1, 1901135225), (5, 380227045), (11, 172830475), (25, 76045409), (55, 34566095), (275, 6913219), (311, 6112975), (1555, 1222595), (3421, 555725), (7775, 244519), (17105, 111145), (22229, 85525)]