28266290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{2111}}^1$

素因数の和:2234

約数の個数: 32

約数和(自身を含む): 55351296

約数和(自身を除く): 27085006

約数列:

[1, 2, 5, 10, 13, 26, 65, 103, 130, 206, 515, 1030, 1339, 2111, 2678, 4222, 6695, 10555, 13390, 21110, 27443, 54886, 137215, 217433, 274430, 434866, 1087165, 2174330, 2826629, 5653258, 14133145, 28266290]

約数ペア:

[(1, 28266290), (2, 14133145), (5, 5653258), (10, 2826629), (13, 2174330), (26, 1087165), (65, 434866), (103, 274430), (130, 217433), (206, 137215), (515, 54886), (1030, 27443), (1339, 21110), (2111, 13390), (2678, 10555), (4222, 6695)]