28282064

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{19861}}^1$

素因数の和:19958

約数の個数: 20

約数和(自身を含む): 55414980

約数和(自身を除く): 27132916

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 19861, 39722, 79444, 158888, 317776, 1767629, 3535258, 7070516, 14141032, 28282064]

約数ペア:

[(1, 28282064), (2, 14141032), (4, 7070516), (8, 3535258), (16, 1767629), (89, 317776), (178, 158888), (356, 79444), (712, 39722), (1424, 19861)]