79200121

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:254

約数の個数: 48

約数和(自身を含む): 110315520

約数和(自身を除く): 31115399

約数列:

[1, 7, 11, 13, 49, 77, 89, 91, 127, 143, 539, 623, 637, 889, 979, 1001, 1157, 1397, 1651, 4361, 6223, 6853, 7007, 8099, 9779, 11303, 11557, 12727, 18161, 47971, 56693, 68453, 79121, 80899, 89089, 124333, 127127, 146939, 553847, 623623, 870331, 889889, 1028573, 1616329, 6092317, 7200011, 11314303, 79200121]

約数ペア:

[(1, 79200121), (7, 11314303), (11, 7200011), (13, 6092317), (49, 1616329), (77, 1028573), (89, 889889), (91, 870331), (127, 623623), (143, 553847), (539, 146939), (623, 127127), (637, 124333), (889, 89089), (979, 80899), (1001, 79121), (1157, 68453), (1397, 56693), (1651, 47971), (4361, 18161), (6223, 12727), (6853, 11557), (7007, 11303), (8099, 9779)]