399364

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{839}}^1$

素因数の和:867

約数の個数: 24

約数和(自身を含む): 846720

約数和(自身を除く): 447356

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 839, 1678, 3356, 5873, 11746, 14263, 23492, 28526, 57052, 99841, 199682, 399364]

約数ペア:

[(1, 399364), (2, 199682), (4, 99841), (7, 57052), (14, 28526), (17, 23492), (28, 14263), (34, 11746), (68, 5873), (119, 3356), (238, 1678), (476, 839)]