247488965

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{4423}}^1$

素因数の和:4497

約数の個数: 24

約数和(自身を含む): 323624448

約数和(自身を除く): 76135483

約数列:

[1, 5, 19, 31, 95, 155, 361, 589, 1805, 2945, 4423, 11191, 22115, 55955, 84037, 137113, 420185, 685565, 1596703, 2605147, 7983515, 13025735, 49497793, 247488965]

約数ペア:

[(1, 247488965), (5, 49497793), (19, 13025735), (31, 7983515), (95, 2605147), (155, 1596703), (361, 685565), (589, 420185), (1805, 137113), (2945, 84037), (4423, 55955), (11191, 22115)]