399869708

素因数分解:

$2^2\times 7^1\times {\mathrm{613}}^1\times {\mathrm{23297}}^1$

素因数の和:23921

約数の個数: 24

約数和(自身を含む): 801078432

約数和(自身を除く): 401208724

約数列:

[1, 2, 4, 7, 14, 28, 613, 1226, 2452, 4291, 8582, 17164, 23297, 46594, 93188, 163079, 326158, 652316, 14281061, 28562122, 57124244, 99967427, 199934854, 399869708]

約数ペア:

[(1, 399869708), (2, 199934854), (4, 99967427), (7, 57124244), (14, 28562122), (28, 14281061), (613, 652316), (1226, 326158), (2452, 163079), (4291, 93188), (8582, 46594), (17164, 23297)]