218809465

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{271}}^1$

素因数の和:382

約数の個数: 64

約数和(自身を含む): 338411520

約数和(自身を除く): 119602055

約数列:

[1, 5, 7, 17, 23, 35, 59, 85, 115, 119, 161, 271, 295, 391, 413, 595, 805, 1003, 1355, 1357, 1897, 1955, 2065, 2737, 4607, 5015, 6233, 6785, 7021, 9485, 9499, 13685, 15989, 23035, 23069, 31165, 32249, 35105, 43631, 47495, 79945, 105961, 111923, 115345, 161245, 161483, 218155, 271813, 367747, 529805, 559615, 741727, 807415, 1359065, 1838735, 1902691, 2574229, 3708635, 6251699, 9513455, 12871145, 31258495, 43761893, 218809465]

約数ペア:

[(1, 218809465), (5, 43761893), (7, 31258495), (17, 12871145), (23, 9513455), (35, 6251699), (59, 3708635), (85, 2574229), (115, 1902691), (119, 1838735), (161, 1359065), (271, 807415), (295, 741727), (391, 559615), (413, 529805), (595, 367747), (805, 271813), (1003, 218155), (1355, 161483), (1357, 161245), (1897, 115345), (1955, 111923), (2065, 105961), (2737, 79945), (4607, 47495), (5015, 43631), (6233, 35105), (6785, 32249), (7021, 31165), (9485, 23069), (9499, 23035), (13685, 15989)]