209905212

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{20129}}^1$

素因数の和:20226

約数の個数: 48

約数和(自身を含む): 541094400

約数和(自身を除く): 331189188

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 79, 132, 158, 237, 316, 474, 869, 948, 1738, 2607, 3476, 5214, 10428, 20129, 40258, 60387, 80516, 120774, 221419, 241548, 442838, 664257, 885676, 1328514, 1590191, 2657028, 3180382, 4770573, 6360764, 9541146, 17492101, 19082292, 34984202, 52476303, 69968404, 104952606, 209905212]

約数ペア:

[(1, 209905212), (2, 104952606), (3, 69968404), (4, 52476303), (6, 34984202), (11, 19082292), (12, 17492101), (22, 9541146), (33, 6360764), (44, 4770573), (66, 3180382), (79, 2657028), (132, 1590191), (158, 1328514), (237, 885676), (316, 664257), (474, 442838), (869, 241548), (948, 221419), (1738, 120774), (2607, 80516), (3476, 60387), (5214, 40258), (10428, 20129)]