81157576

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{487}}^1\times {\mathrm{563}}^1$

素因数の和:1093

約数の個数: 32

約数和(自身を含む): 156882240

約数和(自身を除く): 75724664

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 487, 563, 974, 1126, 1948, 2252, 3896, 4504, 18019, 20831, 36038, 41662, 72076, 83324, 144152, 166648, 274181, 548362, 1096724, 2193448, 10144697, 20289394, 40578788, 81157576]

約数ペア:

[(1, 81157576), (2, 40578788), (4, 20289394), (8, 10144697), (37, 2193448), (74, 1096724), (148, 548362), (296, 274181), (487, 166648), (563, 144152), (974, 83324), (1126, 72076), (1948, 41662), (2252, 36038), (3896, 20831), (4504, 18019)]