219539312

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{108041}}^1$

素因数の和:108176

約数の個数: 20

約数和(自身を含む): 428710656

約数和(自身を除く): 209171344

約数列:

[1, 2, 4, 8, 16, 127, 254, 508, 1016, 2032, 108041, 216082, 432164, 864328, 1728656, 13721207, 27442414, 54884828, 109769656, 219539312]

約数ペア:

[(1, 219539312), (2, 109769656), (4, 54884828), (8, 27442414), (16, 13721207), (127, 1728656), (254, 864328), (508, 432164), (1016, 216082), (2032, 108041)]