209441258

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{613}}^1\times {\mathrm{773}}^1$

素因数の和:1418

約数の個数: 32

約数和(自身を含む): 359278416

約数和(自身を除く): 149837158

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 613, 773, 1226, 1546, 7969, 10049, 10421, 13141, 15938, 20098, 20842, 26282, 135473, 170833, 270946, 341666, 473849, 947698, 6160037, 8055433, 12320074, 16110866, 104720629, 209441258]

約数ペア:

[(1, 209441258), (2, 104720629), (13, 16110866), (17, 12320074), (26, 8055433), (34, 6160037), (221, 947698), (442, 473849), (613, 341666), (773, 270946), (1226, 170833), (1546, 135473), (7969, 26282), (10049, 20842), (10421, 20098), (13141, 15938)]