247946257

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{11279}}^1$

素因数の和:11400

約数の個数: 16

約数和(自身を含む): 284256000

約数和(自身を除く): 36309743

約数列:

[1, 13, 19, 89, 247, 1157, 1691, 11279, 21983, 146627, 214301, 1003831, 2785913, 13049803, 19072789, 247946257]

約数ペア:

[(1, 247946257), (13, 19072789), (19, 13049803), (89, 2785913), (247, 1003831), (1157, 214301), (1691, 146627), (11279, 21983)]