209418854

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{223}}^1\times {\mathrm{4649}}^1$

素因数の和:4975

約数の個数: 16

約数和(自身を含む): 318729600

約数和(自身を除く): 109310746

約数列:

[1, 2, 101, 202, 223, 446, 4649, 9298, 22523, 45046, 469549, 939098, 1036727, 2073454, 104709427, 209418854]

約数ペア:

[(1, 209418854), (2, 104709427), (101, 2073454), (202, 1036727), (223, 939098), (446, 469549), (4649, 45046), (9298, 22523)]