256817249

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^3\times {\mathrm{4021}}^1$

素因数の和:4085

約数の個数: 16

約数和(自身を含む): 293927760

約数和(自身を除く): 37110511

約数列:

[1, 13, 17, 221, 289, 3757, 4021, 4913, 52273, 63869, 68357, 888641, 1162069, 15106897, 19755173, 256817249]

約数ペア:

[(1, 256817249), (13, 19755173), (17, 15106897), (221, 1162069), (289, 888641), (3757, 68357), (4021, 63869), (4913, 52273)]