670369931

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{20389}}^1$

素因数の和:20475

約数の個数: 24

約数和(自身を含む): 864699120

約数和(自身を除く): 194329189

約数列:

[1, 7, 11, 49, 61, 77, 427, 539, 671, 2989, 4697, 20389, 32879, 142723, 224279, 999061, 1243729, 1569953, 8706103, 10989671, 13681019, 60942721, 95767133, 670369931]

約数ペア:

[(1, 670369931), (7, 95767133), (11, 60942721), (49, 13681019), (61, 10989671), (77, 8706103), (427, 1569953), (539, 1243729), (671, 999061), (2989, 224279), (4697, 142723), (20389, 32879)]