201389787907

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{3137}}^1\times {\mathrm{15731}}^1$

素因数の和:18939

約数の個数: 32

約数和(自身を含む): 255918610944

約数和(自身を除く): 54528823037

約数列:

[1, 7, 11, 53, 77, 371, 583, 3137, 4081, 15731, 21959, 34507, 110117, 166261, 173041, 241549, 833743, 1163827, 1211287, 1828871, 5836201, 9171173, 12802097, 49348147, 64198211, 345437029, 542829617, 2615451791, 3799807319, 18308162537, 28769969701, 201389787907]

約数ペア:

[(1, 201389787907), (7, 28769969701), (11, 18308162537), (53, 3799807319), (77, 2615451791), (371, 542829617), (583, 345437029), (3137, 64198211), (4081, 49348147), (15731, 12802097), (21959, 9171173), (34507, 5836201), (110117, 1828871), (166261, 1211287), (173041, 1163827), (241549, 833743)]