279614545

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^2\times {\mathrm{113}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 414011520

約数和(自身を除く): 134396975

約数列:

[1, 5, 7, 19, 35, 61, 95, 113, 133, 305, 427, 565, 665, 791, 1159, 2135, 2147, 3721, 3955, 5795, 6893, 8113, 10735, 15029, 18605, 26047, 34465, 40565, 48251, 70699, 75145, 130235, 130967, 241255, 353495, 420473, 494893, 654835, 916769, 2102365, 2474465, 2943311, 4583845, 7988987, 14716555, 39944935, 55922909, 279614545]

約数ペア:

[(1, 279614545), (5, 55922909), (7, 39944935), (19, 14716555), (35, 7988987), (61, 4583845), (95, 2943311), (113, 2474465), (133, 2102365), (305, 916769), (427, 654835), (565, 494893), (665, 420473), (791, 353495), (1159, 241255), (2135, 130967), (2147, 130235), (3721, 75145), (3955, 70699), (5795, 48251), (6893, 40565), (8113, 34465), (10735, 26047), (15029, 18605)]