28853668025

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{80783}}^1$

素因数の和:80970

約数の個数: 48

約数和(自身を含む): 44316163584

約数和(自身を除く): 15462495559

約数列:

[1, 5, 7, 13, 25, 35, 65, 91, 157, 175, 325, 455, 785, 1099, 2041, 2275, 3925, 5495, 10205, 14287, 27475, 51025, 71435, 80783, 357175, 403915, 565481, 1050179, 2019575, 2827405, 5250895, 7351253, 12682931, 14137025, 26254475, 36756265, 63414655, 88780517, 164878103, 183781325, 317073275, 443902585, 824390515, 1154146721, 2219512925, 4121952575, 5770733605, 28853668025]

約数ペア:

[(1, 28853668025), (5, 5770733605), (7, 4121952575), (13, 2219512925), (25, 1154146721), (35, 824390515), (65, 443902585), (91, 317073275), (157, 183781325), (175, 164878103), (325, 88780517), (455, 63414655), (785, 36756265), (1099, 26254475), (2041, 14137025), (2275, 12682931), (3925, 7351253), (5495, 5250895), (10205, 2827405), (14287, 2019575), (27475, 1050179), (51025, 565481), (71435, 403915), (80783, 357175)]