16556290

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{277}}^1$

素因数の和:466

約数の個数: 32

約数和(自身を含む): 30824640

約数和(自身を除く): 14268350

約数列:

[1, 2, 5, 10, 43, 86, 139, 215, 277, 278, 430, 554, 695, 1385, 1390, 2770, 5977, 11911, 11954, 23822, 29885, 38503, 59555, 59770, 77006, 119110, 192515, 385030, 1655629, 3311258, 8278145, 16556290]

約数ペア:

[(1, 16556290), (2, 8278145), (5, 3311258), (10, 1655629), (43, 385030), (86, 192515), (139, 119110), (215, 77006), (277, 59770), (278, 59555), (430, 38503), (554, 29885), (695, 23822), (1385, 11954), (1390, 11911), (2770, 5977)]