211492085

素因数分解:

$5^1\times 7^4\times {\mathrm{79}}^1\times {\mathrm{223}}^1$

素因数の和:335

約数の個数: 40

約数和(自身を含む): 301163520

約数和(自身を除く): 89671435

約数列:

[1, 5, 7, 35, 49, 79, 223, 245, 343, 395, 553, 1115, 1561, 1715, 2401, 2765, 3871, 7805, 10927, 12005, 17617, 19355, 27097, 54635, 76489, 88085, 123319, 135485, 189679, 382445, 535423, 616595, 863233, 948395, 2677115, 4316165, 6042631, 30213155, 42298417, 211492085]

約数ペア:

[(1, 211492085), (5, 42298417), (7, 30213155), (35, 6042631), (49, 4316165), (79, 2677115), (223, 948395), (245, 863233), (343, 616595), (395, 535423), (553, 382445), (1115, 189679), (1561, 135485), (1715, 123319), (2401, 88085), (2765, 76489), (3871, 54635), (7805, 27097), (10927, 19355), (12005, 17617)]