66784991

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1777}}^1$

素因数の和:1863

約数の個数: 24

約数和(自身を含む): 85130640

約数和(自身を除く): 18345649

約数列:

[1, 7, 13, 49, 59, 91, 413, 637, 767, 1777, 2891, 5369, 12439, 23101, 37583, 87073, 104843, 161707, 733901, 1131949, 1362959, 5137307, 9540713, 66784991]

約数ペア:

[(1, 66784991), (7, 9540713), (13, 5137307), (49, 1362959), (59, 1131949), (91, 733901), (413, 161707), (637, 104843), (767, 87073), (1777, 37583), (2891, 23101), (5369, 12439)]