221706004

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{31121}}^1$

素因数の和:31275

約数の個数: 24

約数和(自身を含む): 420893928

約数和(自身を除く): 199187924

約数列:

[1, 2, 4, 13, 26, 52, 137, 274, 548, 1781, 3562, 7124, 31121, 62242, 124484, 404573, 809146, 1618292, 4263577, 8527154, 17054308, 55426501, 110853002, 221706004]

約数ペア:

[(1, 221706004), (2, 110853002), (4, 55426501), (13, 17054308), (26, 8527154), (52, 4263577), (137, 1618292), (274, 809146), (548, 404573), (1781, 124484), (3562, 62242), (7124, 31121)]