28891928

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{733}}^1$

素因数の和:1131

約数の個数: 32

約数和(自身を含む): 58573200

約数和(自身を除く): 29681272

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 379, 733, 758, 1466, 1516, 2932, 3032, 4927, 5864, 9529, 9854, 19058, 19708, 38116, 39416, 76232, 277807, 555614, 1111228, 2222456, 3611491, 7222982, 14445964, 28891928]

約数ペア:

[(1, 28891928), (2, 14445964), (4, 7222982), (8, 3611491), (13, 2222456), (26, 1111228), (52, 555614), (104, 277807), (379, 76232), (733, 39416), (758, 38116), (1466, 19708), (1516, 19058), (2932, 9854), (3032, 9529), (4927, 5864)]