28545881

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1093}}^1$

素因数の和:1161

約数の個数: 24

約数和(自身を含む): 36666504

約数和(自身を除く): 8120623

約数列:

[1, 7, 13, 41, 49, 91, 287, 533, 637, 1093, 2009, 3731, 7651, 14209, 26117, 44813, 53557, 99463, 313691, 582569, 696241, 2195837, 4077983, 28545881]

約数ペア:

[(1, 28545881), (7, 4077983), (13, 2195837), (41, 696241), (49, 582569), (91, 313691), (287, 99463), (533, 53557), (637, 44813), (1093, 26117), (2009, 14209), (3731, 7651)]