264979775

素因数分解:

$5^2\times {\mathrm{173}}^1\times {\mathrm{197}}^1\times {\mathrm{311}}^1$

素因数の和:691

約数の個数: 24

約数和(自身を含む): 333219744

約数和(自身を除く): 68239969

約数列:

[1, 5, 25, 173, 197, 311, 865, 985, 1555, 4325, 4925, 7775, 34081, 53803, 61267, 170405, 269015, 306335, 852025, 1345075, 1531675, 10599191, 52995955, 264979775]

約数ペア:

[(1, 264979775), (5, 52995955), (25, 10599191), (173, 1531675), (197, 1345075), (311, 852025), (865, 306335), (985, 269015), (1555, 170405), (4325, 61267), (4925, 53803), (7775, 34081)]