64791377

素因数分解:

$7^2\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1$

素因数の和:365

約数の個数: 24

約数和(自身を含む): 77565600

約数和(自身を除く): 12774223

約数列:

[1, 7, 49, 83, 89, 179, 581, 623, 1253, 4067, 4361, 7387, 8771, 14857, 15931, 51709, 103999, 111517, 361963, 727993, 780619, 1322273, 9255911, 64791377]

約数ペア:

[(1, 64791377), (7, 9255911), (49, 1322273), (83, 780619), (89, 727993), (179, 361963), (581, 111517), (623, 103999), (1253, 51709), (4067, 15931), (4361, 14857), (7387, 8771)]