252712630079

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{431}}^1\times {\mathrm{339121}}^1$

素因数の和:339591

約数の個数: 32

約数和(自身を含む): 328161576960

約数和(自身を除く): 75448946881

約数列:

[1, 7, 13, 19, 91, 133, 247, 431, 1729, 3017, 5603, 8189, 39221, 57323, 106457, 339121, 745199, 2373847, 4408573, 6443299, 30860011, 45103093, 83762887, 146161151, 586340209, 1023128057, 1900094963, 2777061869, 13300664741, 19439433083, 36101804297, 252712630079]

約数ペア:

[(1, 252712630079), (7, 36101804297), (13, 19439433083), (19, 13300664741), (91, 2777061869), (133, 1900094963), (247, 1023128057), (431, 586340209), (1729, 146161151), (3017, 83762887), (5603, 45103093), (8189, 30860011), (39221, 6443299), (57323, 4408573), (106457, 2373847), (339121, 745199)]