9978889319

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{283}}^1\times {\mathrm{11527}}^1$

素因数の和:11859

約数の個数: 32

約数和(自身を含む): 12571975680

約数和(自身を除く): 2593086361

約数列:

[1, 7, 19, 23, 133, 161, 283, 437, 1981, 3059, 5377, 6509, 11527, 37639, 45563, 80689, 123671, 219013, 265121, 865697, 1533091, 1855847, 3262141, 5037299, 22834987, 35261093, 61980679, 75029243, 433864753, 525204701, 1425555617, 9978889319]

約数ペア:

[(1, 9978889319), (7, 1425555617), (19, 525204701), (23, 433864753), (133, 75029243), (161, 61980679), (283, 35261093), (437, 22834987), (1981, 5037299), (3059, 3262141), (5377, 1855847), (6509, 1533091), (11527, 865697), (37639, 265121), (45563, 219013), (80689, 123671)]