254740801

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{571}}^1$

素因数の和:781

約数の個数: 32

約数和(自身を含む): 324200448

約数和(自身を除く): 69459647

約数列:

[1, 7, 17, 23, 119, 161, 163, 391, 571, 1141, 2737, 2771, 3749, 3997, 9707, 13133, 19397, 26243, 63733, 67949, 91931, 93073, 223261, 446131, 651511, 1562827, 1582241, 2140679, 11075687, 14984753, 36391543, 254740801]

約数ペア:

[(1, 254740801), (7, 36391543), (17, 14984753), (23, 11075687), (119, 2140679), (161, 1582241), (163, 1562827), (391, 651511), (571, 446131), (1141, 223261), (2737, 93073), (2771, 91931), (3749, 67949), (3997, 63733), (9707, 26243), (13133, 19397)]