205508624

素因数分解:

$2^4\times {\mathrm{421}}^1\times {\mathrm{30509}}^1$

素因数の和:30938

約数の個数: 20

約数和(自身を含む): 399131820

約数和(自身を除く): 193623196

約数列:

[1, 2, 4, 8, 16, 421, 842, 1684, 3368, 6736, 30509, 61018, 122036, 244072, 488144, 12844289, 25688578, 51377156, 102754312, 205508624]

約数ペア:

[(1, 205508624), (2, 102754312), (4, 51377156), (8, 25688578), (16, 12844289), (421, 488144), (842, 244072), (1684, 122036), (3368, 61018), (6736, 30509)]