81963805

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{4951}}^1$

素因数の和:5017

約数の個数: 32

約数和(自身を含む): 125503488

約数和(自身を除く): 43539683

約数列:

[1, 5, 7, 11, 35, 43, 55, 77, 215, 301, 385, 473, 1505, 2365, 3311, 4951, 16555, 24755, 34657, 54461, 173285, 212893, 272305, 381227, 1064465, 1490251, 1906135, 2341823, 7451255, 11709115, 16392761, 81963805]

約数ペア:

[(1, 81963805), (5, 16392761), (7, 11709115), (11, 7451255), (35, 2341823), (43, 1906135), (55, 1490251), (77, 1064465), (215, 381227), (301, 272305), (385, 212893), (473, 173285), (1505, 54461), (2365, 34657), (3311, 24755), (4951, 16555)]