858243407

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1\times {\mathrm{281}}^1$

素因数の和:543

約数の個数: 32

約数和(自身を含む): 1028375040

約数和(自身を除く): 170131633

約数列:

[1, 7, 43, 73, 139, 281, 301, 511, 973, 1967, 3139, 5977, 10147, 12083, 20513, 21973, 39059, 41839, 71029, 84581, 143591, 273413, 436321, 882059, 1679537, 2851307, 3054247, 6174413, 11756759, 19959149, 122606201, 858243407]

約数ペア:

[(1, 858243407), (7, 122606201), (43, 19959149), (73, 11756759), (139, 6174413), (281, 3054247), (301, 2851307), (511, 1679537), (973, 882059), (1967, 436321), (3139, 273413), (5977, 143591), (10147, 84581), (12083, 71029), (20513, 41839), (21973, 39059)]