65978744

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{2341}}^1$

素因数の和:2631

約数の個数: 32

約数和(自身を含む): 133775040

約数和(自身を除く): 67796296

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 271, 542, 1084, 2168, 2341, 3523, 4682, 7046, 9364, 14092, 18728, 28184, 30433, 60866, 121732, 243464, 634411, 1268822, 2537644, 5075288, 8247343, 16494686, 32989372, 65978744]

約数ペア:

[(1, 65978744), (2, 32989372), (4, 16494686), (8, 8247343), (13, 5075288), (26, 2537644), (52, 1268822), (104, 634411), (271, 243464), (542, 121732), (1084, 60866), (2168, 30433), (2341, 28184), (3523, 18728), (4682, 14092), (7046, 9364)]