999888968

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{22307}}^1$

素因数の和:22757

約数の個数: 32

約数和(自身を含む): 2023781760

約数和(自身を除く): 1023892792

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 431, 862, 1724, 3448, 5603, 11206, 22307, 22412, 44614, 44824, 89228, 178456, 289991, 579982, 1159964, 2319928, 9614317, 19228634, 38457268, 76914536, 124986121, 249972242, 499944484, 999888968]

約数ペア:

[(1, 999888968), (2, 499944484), (4, 249972242), (8, 124986121), (13, 76914536), (26, 38457268), (52, 19228634), (104, 9614317), (431, 2319928), (862, 1159964), (1724, 579982), (3448, 289991), (5603, 178456), (11206, 89228), (22307, 44824), (22412, 44614)]