28406576

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{1567}}^1$

素因数の和:1689

約数の個数: 40

約数和(自身を含む): 60662784

約数和(自身を除く): 32256208

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 103, 176, 206, 412, 824, 1133, 1567, 1648, 2266, 3134, 4532, 6268, 9064, 12536, 17237, 18128, 25072, 34474, 68948, 137896, 161401, 275792, 322802, 645604, 1291208, 1775411, 2582416, 3550822, 7101644, 14203288, 28406576]

約数ペア:

[(1, 28406576), (2, 14203288), (4, 7101644), (8, 3550822), (11, 2582416), (16, 1775411), (22, 1291208), (44, 645604), (88, 322802), (103, 275792), (176, 161401), (206, 137896), (412, 68948), (824, 34474), (1133, 25072), (1567, 18128), (1648, 17237), (2266, 12536), (3134, 9064), (4532, 6268)]