28287428

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{28631}}^1$

素因数の和:28667

約数の個数: 24

約数和(自身を含む): 56118720

約数和(自身を除く): 27831292

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 28631, 57262, 114524, 372203, 543989, 744406, 1087978, 1488812, 2175956, 7071857, 14143714, 28287428]

約数ペア:

[(1, 28287428), (2, 14143714), (4, 7071857), (13, 2175956), (19, 1488812), (26, 1087978), (38, 744406), (52, 543989), (76, 372203), (247, 114524), (494, 57262), (988, 28631)]