8218990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3719}}^1$

素因数の和:3756

約数の個数: 32

約数和(自身を含む): 16873920

約数和(自身を除く): 8654930

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 3719, 7438, 18595, 37190, 48347, 63223, 96694, 126446, 241735, 316115, 483470, 632230, 821899, 1643798, 4109495, 8218990]

約数ペア:

[(1, 8218990), (2, 4109495), (5, 1643798), (10, 821899), (13, 632230), (17, 483470), (26, 316115), (34, 241735), (65, 126446), (85, 96694), (130, 63223), (170, 48347), (221, 37190), (442, 18595), (1105, 7438), (2210, 3719)]