890258138

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{36821}}^1$

素因数の和:36998

約数の個数: 32

約数和(自身を含む): 1675548288

約数和(自身を除く): 785290150

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 157, 314, 1099, 1727, 2198, 3454, 12089, 24178, 36821, 73642, 257747, 405031, 515494, 810062, 2835217, 5670434, 5780897, 11561794, 40466279, 63589867, 80932558, 127179734, 445129069, 890258138]

約数ペア:

[(1, 890258138), (2, 445129069), (7, 127179734), (11, 80932558), (14, 63589867), (22, 40466279), (77, 11561794), (154, 5780897), (157, 5670434), (314, 2835217), (1099, 810062), (1727, 515494), (2198, 405031), (3454, 257747), (12089, 73642), (24178, 36821)]