338740496

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{166703}}^1$

素因数の和:166838

約数の個数: 20

約数和(自身を含む): 661481472

約数和(自身を除く): 322740976

約数列:

[1, 2, 4, 8, 16, 127, 254, 508, 1016, 2032, 166703, 333406, 666812, 1333624, 2667248, 21171281, 42342562, 84685124, 169370248, 338740496]

約数ペア:

[(1, 338740496), (2, 169370248), (4, 84685124), (8, 42342562), (16, 21171281), (127, 2667248), (254, 1333624), (508, 666812), (1016, 333406), (2032, 166703)]