64171987

素因数分解:

${\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{271}}^1$

素因数の和:415

約数の個数: 24

約数和(自身を含む): 75246080

約数和(自身を除く): 11074093

約数列:

[1, 11, 19, 103, 121, 209, 271, 1133, 1957, 2299, 2981, 5149, 12463, 21527, 27913, 32791, 56639, 236797, 307043, 530347, 623029, 3377473, 5833817, 64171987]

約数ペア:

[(1, 64171987), (11, 5833817), (19, 3377473), (103, 623029), (121, 530347), (209, 307043), (271, 236797), (1133, 56639), (1957, 32791), (2299, 27913), (2981, 21527), (5149, 12463)]