40561423

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:223

約数の個数: 32

約数和(自身を含む): 50577408

約数和(自身を除く): 10015985

約数列:

[1, 7, 31, 41, 47, 97, 217, 287, 329, 679, 1271, 1457, 1927, 3007, 3977, 4559, 8897, 10199, 13489, 21049, 27839, 31913, 59737, 123287, 141329, 186919, 418159, 863009, 989303, 1308433, 5794489, 40561423]

約数ペア:

[(1, 40561423), (7, 5794489), (31, 1308433), (41, 989303), (47, 863009), (97, 418159), (217, 186919), (287, 141329), (329, 123287), (679, 59737), (1271, 31913), (1457, 27839), (1927, 21049), (3007, 13489), (3977, 10199), (4559, 8897)]