216947245

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{389}}^1\times {\mathrm{1571}}^1$

素因数の和:2036

約数の個数: 16

約数和(自身を含む): 264850560

約数和(自身を除く): 47903315

約数列:

[1, 5, 71, 355, 389, 1571, 1945, 7855, 27619, 111541, 138095, 557705, 611119, 3055595, 43389449, 216947245]

約数ペア:

[(1, 216947245), (5, 43389449), (71, 3055595), (355, 611119), (389, 557705), (1571, 138095), (1945, 111541), (7855, 27619)]