255763519

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:375

約数の個数: 32

約数和(自身を含む): 301418496

約数和(自身を除く): 45654977

約数列:

[1, 11, 23, 47, 137, 157, 253, 517, 1081, 1507, 1727, 3151, 3611, 6439, 7379, 11891, 21509, 34661, 39721, 70829, 81169, 148097, 169717, 236599, 494707, 1010923, 1629067, 1866887, 5441777, 11120153, 23251229, 255763519]

約数ペア:

[(1, 255763519), (11, 23251229), (23, 11120153), (47, 5441777), (137, 1866887), (157, 1629067), (253, 1010923), (517, 494707), (1081, 236599), (1507, 169717), (1727, 148097), (3151, 81169), (3611, 70829), (6439, 39721), (7379, 34661), (11891, 21509)]