201628797881

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{421}}^1\times {\mathrm{21727}}^1$

素因数の和:22269

約数の個数: 32

約数和(自身を含む): 239426568192

約数和(自身を除く): 37797770311

約数列:

[1, 7, 47, 67, 329, 421, 469, 2947, 3149, 19787, 21727, 22043, 28207, 138509, 152089, 197449, 1021169, 1325729, 1455709, 7148183, 9147067, 9280103, 10189963, 64029469, 68418323, 429912149, 478928261, 612853489, 3009385043, 4289974423, 28804113983, 201628797881]

約数ペア:

[(1, 201628797881), (7, 28804113983), (47, 4289974423), (67, 3009385043), (329, 612853489), (421, 478928261), (469, 429912149), (2947, 68418323), (3149, 64029469), (19787, 10189963), (21727, 9280103), (22043, 9147067), (28207, 7148183), (138509, 1455709), (152089, 1325729), (197449, 1021169)]