72080212

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{7907}}^1$

素因数の和:8007

約数の個数: 24

約数和(自身を含む): 131525856

約数和(自身を除く): 59445644

約数列:

[1, 2, 4, 43, 53, 86, 106, 172, 212, 2279, 4558, 7907, 9116, 15814, 31628, 340001, 419071, 680002, 838142, 1360004, 1676284, 18020053, 36040106, 72080212]

約数ペア:

[(1, 72080212), (2, 36040106), (4, 18020053), (43, 1676284), (53, 1360004), (86, 838142), (106, 680002), (172, 419071), (212, 340001), (2279, 31628), (4558, 15814), (7907, 9116)]