28617589

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1$

素因数の和:178

約数の個数: 48

約数和(自身を含む): 40755456

約数和(自身を除く): 12137867

約数列:

[1, 7, 11, 13, 23, 77, 91, 113, 121, 143, 161, 253, 299, 791, 847, 1001, 1243, 1469, 1573, 1771, 2093, 2599, 2783, 3289, 8701, 10283, 11011, 13673, 16159, 18193, 19481, 23023, 28589, 33787, 36179, 95711, 113113, 177749, 200123, 236509, 253253, 314479, 371657, 1244243, 2201353, 2601599, 4088227, 28617589]

約数ペア:

[(1, 28617589), (7, 4088227), (11, 2601599), (13, 2201353), (23, 1244243), (77, 371657), (91, 314479), (113, 253253), (121, 236509), (143, 200123), (161, 177749), (253, 113113), (299, 95711), (791, 36179), (847, 33787), (1001, 28589), (1243, 23023), (1469, 19481), (1573, 18193), (1771, 16159), (2093, 13673), (2599, 11011), (2783, 10283), (3289, 8701)]