851408

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{419}}^1$

素因数の和:554

約数の個数: 20

約数和(自身を含む): 1666560

約数和(自身を除く): 815152

約数列:

[1, 2, 4, 8, 16, 127, 254, 419, 508, 838, 1016, 1676, 2032, 3352, 6704, 53213, 106426, 212852, 425704, 851408]

約数ペア:

[(1, 851408), (2, 425704), (4, 212852), (8, 106426), (16, 53213), (127, 6704), (254, 3352), (419, 2032), (508, 1676), (838, 1016)]