64390288

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{236729}}^1$

素因数の和:236754

約数の個数: 20

約数和(自身を含む): 132095340

約数和(自身を除く): 67705052

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 236729, 473458, 946916, 1893832, 3787664, 4024393, 8048786, 16097572, 32195144, 64390288]

約数ペア:

[(1, 64390288), (2, 32195144), (4, 16097572), (8, 8048786), (16, 4024393), (17, 3787664), (34, 1893832), (68, 946916), (136, 473458), (272, 236729)]