77885857

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{491}}^1$

素因数の和:589

約数の個数: 32

約数和(自身を含む): 99753984

約数和(自身を除く): 21868127

約数列:

[1, 7, 17, 31, 43, 119, 217, 301, 491, 527, 731, 1333, 3437, 3689, 5117, 8347, 9331, 15221, 21113, 22661, 58429, 106547, 147791, 158627, 258757, 358921, 654503, 1811299, 2512447, 4581521, 11126551, 77885857]

約数ペア:

[(1, 77885857), (7, 11126551), (17, 4581521), (31, 2512447), (43, 1811299), (119, 654503), (217, 358921), (301, 258757), (491, 158627), (527, 147791), (731, 106547), (1333, 58429), (3437, 22661), (3689, 21113), (5117, 15221), (8347, 9331)]