161965006

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{14851}}^1$

素因数の和:14920

約数の個数: 32

約数和(自身を含む): 299416320

約数和(自身を除く): 137451314

約数列:

[1, 2, 7, 14, 19, 38, 41, 82, 133, 266, 287, 574, 779, 1558, 5453, 10906, 14851, 29702, 103957, 207914, 282169, 564338, 608891, 1217782, 1975183, 3950366, 4262237, 8524474, 11568929, 23137858, 80982503, 161965006]

約数ペア:

[(1, 161965006), (2, 80982503), (7, 23137858), (14, 11568929), (19, 8524474), (38, 4262237), (41, 3950366), (82, 1975183), (133, 1217782), (266, 608891), (287, 564338), (574, 282169), (779, 207914), (1558, 103957), (5453, 29702), (10906, 14851)]