857557148

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1\times {\mathrm{3911}}^1$

素因数の和:4154

約数の個数: 48

約数和(自身を含む): 1766596608

約数和(自身を除く): 909039460

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 191, 287, 382, 574, 764, 1148, 1337, 2674, 3911, 5348, 7822, 7831, 15644, 15662, 27377, 31324, 54754, 54817, 109508, 109634, 160351, 219268, 320702, 641404, 747001, 1122457, 1494002, 2244914, 2988004, 4489828, 5229007, 10458014, 20916028, 30627041, 61254082, 122508164, 214389287, 428778574, 857557148]

約数ペア:

[(1, 857557148), (2, 428778574), (4, 214389287), (7, 122508164), (14, 61254082), (28, 30627041), (41, 20916028), (82, 10458014), (164, 5229007), (191, 4489828), (287, 2988004), (382, 2244914), (574, 1494002), (764, 1122457), (1148, 747001), (1337, 641404), (2674, 320702), (3911, 219268), (5348, 160351), (7822, 109634), (7831, 109508), (15644, 54817), (15662, 54754), (27377, 31324)]