64744771

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{389}}^1$

素因数の和:499

約数の個数: 32

約数和(自身を含む): 83865600

約数和(自身を除く): 19120829

約数列:

[1, 7, 13, 31, 59, 91, 217, 389, 403, 413, 767, 1829, 2723, 2821, 5057, 5369, 12059, 12803, 22951, 23777, 35399, 84413, 156767, 160657, 166439, 298363, 711481, 1097369, 2088541, 4980367, 9249253, 64744771]

約数ペア:

[(1, 64744771), (7, 9249253), (13, 4980367), (31, 2088541), (59, 1097369), (91, 711481), (217, 298363), (389, 166439), (403, 160657), (413, 156767), (767, 84413), (1829, 35399), (2723, 23777), (2821, 22951), (5057, 12803), (5369, 12059)]