12348993860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{991091}}^1$

素因数の和:991196

約数の個数: 48

約数和(自身を含む): 29970622080

約数和(自身を除く): 17621628220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 178, 356, 445, 623, 890, 1246, 1780, 2492, 3115, 6230, 12460, 991091, 1982182, 3964364, 4955455, 6937637, 9910910, 13875274, 19821820, 27750548, 34688185, 69376370, 88207099, 138752740, 176414198, 352828396, 441035495, 617449693, 882070990, 1234899386, 1764141980, 2469798772, 3087248465, 6174496930, 12348993860]

約数ペア:

[(1, 12348993860), (2, 6174496930), (4, 3087248465), (5, 2469798772), (7, 1764141980), (10, 1234899386), (14, 882070990), (20, 617449693), (28, 441035495), (35, 352828396), (70, 176414198), (89, 138752740), (140, 88207099), (178, 69376370), (356, 34688185), (445, 27750548), (623, 19821820), (890, 13875274), (1246, 9910910), (1780, 6937637), (2492, 4955455), (3115, 3964364), (6230, 1982182), (12460, 991091)]