28143852

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{2111}}^1$

素因数の和:2230

約数の個数: 48

約数和(自身を含む): 72382464

約数和(自身を除く): 44238612

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 101, 132, 202, 303, 404, 606, 1111, 1212, 2111, 2222, 3333, 4222, 4444, 6333, 6666, 8444, 12666, 13332, 23221, 25332, 46442, 69663, 92884, 139326, 213211, 278652, 426422, 639633, 852844, 1279266, 2345321, 2558532, 4690642, 7035963, 9381284, 14071926, 28143852]

約数ペア:

[(1, 28143852), (2, 14071926), (3, 9381284), (4, 7035963), (6, 4690642), (11, 2558532), (12, 2345321), (22, 1279266), (33, 852844), (44, 639633), (66, 426422), (101, 278652), (132, 213211), (202, 139326), (303, 92884), (404, 69663), (606, 46442), (1111, 25332), (1212, 23221), (2111, 13332), (2222, 12666), (3333, 8444), (4222, 6666), (4444, 6333)]