81318970

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{271}}^1\times {\mathrm{811}}^1$

素因数の和:1126

約数の個数: 32

約数和(自身を含む): 151070976

約数和(自身を除く): 69752006

約数列:

[1, 2, 5, 10, 37, 74, 185, 271, 370, 542, 811, 1355, 1622, 2710, 4055, 8110, 10027, 20054, 30007, 50135, 60014, 100270, 150035, 219781, 300070, 439562, 1098905, 2197810, 8131897, 16263794, 40659485, 81318970]

約数ペア:

[(1, 81318970), (2, 40659485), (5, 16263794), (10, 8131897), (37, 2197810), (74, 1098905), (185, 439562), (271, 300070), (370, 219781), (542, 150035), (811, 100270), (1355, 60014), (1622, 50135), (2710, 30007), (4055, 20054), (8110, 10027)]