216923516

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{389}}^1\times {\mathrm{1279}}^1$

素因数の和:1781

約数の個数: 24

約数和(自身を含む): 384384000

約数和(自身を除く): 167460484

約数列:

[1, 2, 4, 109, 218, 389, 436, 778, 1279, 1556, 2558, 5116, 42401, 84802, 139411, 169604, 278822, 497531, 557644, 995062, 1990124, 54230879, 108461758, 216923516]

約数ペア:

[(1, 216923516), (2, 108461758), (4, 54230879), (109, 1990124), (218, 995062), (389, 557644), (436, 497531), (778, 278822), (1279, 169604), (1556, 139411), (2558, 84802), (5116, 42401)]