26980261

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1$

素因数の和:265

約数の個数: 32

約数和(自身を含む): 35389440

約数和(自身を除く): 8409179

約数列:

[1, 7, 11, 31, 77, 89, 127, 217, 341, 623, 889, 979, 1397, 2387, 2759, 3937, 6853, 9779, 11303, 19313, 27559, 30349, 43307, 79121, 124333, 212443, 303149, 350393, 870331, 2452751, 3854323, 26980261]

約数ペア:

[(1, 26980261), (7, 3854323), (11, 2452751), (31, 870331), (77, 350393), (89, 303149), (127, 212443), (217, 124333), (341, 79121), (623, 43307), (889, 30349), (979, 27559), (1397, 19313), (2387, 11303), (2759, 9779), (3937, 6853)]