28687841275

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{433}}^1\times {\mathrm{155891}}^1$

素因数の和:156351

約数の個数: 24

約数和(自身を含む): 37752677424

約数和(自身を除く): 9064836149

約数列:

[1, 5, 17, 25, 85, 425, 433, 2165, 7361, 10825, 36805, 155891, 184025, 779455, 2650147, 3897275, 13250735, 66253675, 67500803, 337504015, 1147513651, 1687520075, 5737568255, 28687841275]

約数ペア:

[(1, 28687841275), (5, 5737568255), (17, 1687520075), (25, 1147513651), (85, 337504015), (425, 67500803), (433, 66253675), (2165, 13250735), (7361, 3897275), (10825, 2650147), (36805, 779455), (155891, 184025)]