2215691555

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43271}}^1$

素因数の和:43320

約数の個数: 48

約数和(自身を含む): 3551765760

約数和(自身を除く): 1336074205

約数列:

[1, 5, 7, 11, 19, 35, 49, 55, 77, 95, 133, 209, 245, 385, 539, 665, 931, 1045, 1463, 2695, 4655, 7315, 10241, 43271, 51205, 216355, 302897, 475981, 822149, 1514485, 2120279, 2379905, 3331867, 4110745, 5755043, 9043639, 10601395, 16659335, 23323069, 28775215, 40285301, 45218195, 63305473, 116615345, 201426505, 316527365, 443138311, 2215691555]

約数ペア:

[(1, 2215691555), (5, 443138311), (7, 316527365), (11, 201426505), (19, 116615345), (35, 63305473), (49, 45218195), (55, 40285301), (77, 28775215), (95, 23323069), (133, 16659335), (209, 10601395), (245, 9043639), (385, 5755043), (539, 4110745), (665, 3331867), (931, 2379905), (1045, 2120279), (1463, 1514485), (2695, 822149), (4655, 475981), (7315, 302897), (10241, 216355), (43271, 51205)]