89818990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{1721}}^1$

素因数の和:2052

約数の個数: 32

約数和(自身を含む): 171841824

約数和(自身を除く): 82022834

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 307, 614, 1535, 1721, 3070, 3442, 5219, 8605, 10438, 17210, 26095, 29257, 52190, 58514, 146285, 292570, 528347, 1056694, 2641735, 5283470, 8981899, 17963798, 44909495, 89818990]

約数ペア:

[(1, 89818990), (2, 44909495), (5, 17963798), (10, 8981899), (17, 5283470), (34, 2641735), (85, 1056694), (170, 528347), (307, 292570), (614, 146285), (1535, 58514), (1721, 52190), (3070, 29257), (3442, 26095), (5219, 17210), (8605, 10438)]