858971561

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{977}}^1$

素因数の和:1145

約数の個数: 32

約数和(自身を含む): 1047790080

約数和(自身を除く): 188818519

約数列:

[1, 7, 29, 61, 71, 203, 427, 497, 977, 1769, 2059, 4331, 6839, 12383, 14413, 28333, 30317, 59597, 69367, 125599, 198331, 417179, 485569, 879193, 1728313, 2011643, 4231387, 12098191, 14081501, 29619709, 122710223, 858971561]

約数ペア:

[(1, 858971561), (7, 122710223), (29, 29619709), (61, 14081501), (71, 12098191), (203, 4231387), (427, 2011643), (497, 1728313), (977, 879193), (1769, 485569), (2059, 417179), (4331, 198331), (6839, 125599), (12383, 69367), (14413, 59597), (28333, 30317)]