28787654

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{587}}^1$

素因数の和:740

約数の個数: 32

約数和(自身を含む): 51480576

約数和(自身を除く): 22692922

約数列:

[1, 2, 7, 14, 31, 62, 113, 217, 226, 434, 587, 791, 1174, 1582, 3503, 4109, 7006, 8218, 18197, 24521, 36394, 49042, 66331, 127379, 132662, 254758, 464317, 928634, 2056261, 4112522, 14393827, 28787654]

約数ペア:

[(1, 28787654), (2, 14393827), (7, 4112522), (14, 2056261), (31, 928634), (62, 464317), (113, 254758), (217, 132662), (226, 127379), (434, 66331), (587, 49042), (791, 36394), (1174, 24521), (1582, 18197), (3503, 8218), (4109, 7006)]