81076888

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{349}}^1\times {\mathrm{409}}^1$

素因数の和:835

約数の個数: 32

約数和(自身を含む): 154980000

約数和(自身を除く): 73903112

約数列:

[1, 2, 4, 8, 71, 142, 284, 349, 409, 568, 698, 818, 1396, 1636, 2792, 3272, 24779, 29039, 49558, 58078, 99116, 116156, 142741, 198232, 232312, 285482, 570964, 1141928, 10134611, 20269222, 40538444, 81076888]

約数ペア:

[(1, 81076888), (2, 40538444), (4, 20269222), (8, 10134611), (71, 1141928), (142, 570964), (284, 285482), (349, 232312), (409, 198232), (568, 142741), (698, 116156), (818, 99116), (1396, 58078), (1636, 49558), (2792, 29039), (3272, 24779)]