13771285

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:285

約数の個数: 32

約数和(自身を含む): 19160064

約数和(自身を除く): 5388779

約数列:

[1, 5, 11, 31, 41, 55, 155, 197, 205, 341, 451, 985, 1271, 1705, 2167, 2255, 6107, 6355, 8077, 10835, 13981, 30535, 40385, 67177, 69905, 88847, 250387, 335885, 444235, 1251935, 2754257, 13771285]

約数ペア:

[(1, 13771285), (5, 2754257), (11, 1251935), (31, 444235), (41, 335885), (55, 250387), (155, 88847), (197, 69905), (205, 67177), (341, 40385), (451, 30535), (985, 13981), (1271, 10835), (1705, 8077), (2167, 6355), (2255, 6107)]