64489772

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{55787}}^1$

素因数の和:55825

約数の個数: 18

約数和(自身を含む): 119888412

約数和(自身を除く): 55398640

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 55787, 111574, 223148, 948379, 1896758, 3793516, 16122443, 32244886, 64489772]

約数ペア:

[(1, 64489772), (2, 32244886), (4, 16122443), (17, 3793516), (34, 1896758), (68, 948379), (289, 223148), (578, 111574), (1156, 55787)]