51780575

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{727}}^1$

素因数の和:792

約数の個数: 48

約数和(自身を含む): 82328064

約数和(自身を除く): 30547489

約数列:

[1, 5, 7, 11, 25, 35, 37, 55, 77, 175, 185, 259, 275, 385, 407, 727, 925, 1295, 1925, 2035, 2849, 3635, 5089, 6475, 7997, 10175, 14245, 18175, 25445, 26899, 39985, 55979, 71225, 127225, 134495, 188293, 199925, 279895, 295889, 672475, 941465, 1399475, 1479445, 2071223, 4707325, 7397225, 10356115, 51780575]

約数ペア:

[(1, 51780575), (5, 10356115), (7, 7397225), (11, 4707325), (25, 2071223), (35, 1479445), (37, 1399475), (55, 941465), (77, 672475), (175, 295889), (185, 279895), (259, 199925), (275, 188293), (385, 134495), (407, 127225), (727, 71225), (925, 55979), (1295, 39985), (1925, 26899), (2035, 25445), (2849, 18175), (3635, 14245), (5089, 10175), (6475, 7997)]