17939258141

素因数分解:

$7^2\times {\mathrm{263}}^1\times {\mathrm{293}}^1\times {\mathrm{4751}}^1$

素因数の和:5321

約数の個数: 24

約数和(自身を含む): 21023380224

約数和(自身を除く): 3084122083

約数列:

[1, 7, 49, 263, 293, 1841, 2051, 4751, 12887, 14357, 33257, 77059, 232799, 539413, 1249513, 1392043, 3775891, 8746591, 9744301, 61226137, 68210107, 366107309, 2562751163, 17939258141]

約数ペア:

[(1, 17939258141), (7, 2562751163), (49, 366107309), (263, 68210107), (293, 61226137), (1841, 9744301), (2051, 8746591), (4751, 3775891), (12887, 1392043), (14357, 1249513), (33257, 539413), (77059, 232799)]