28556814

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{401}}^1$

素因数の和:513

約数の個数: 64

約数和(自身を含む): 68076288

約数和(自身を除く): 39519474

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 83, 143, 166, 249, 286, 401, 429, 498, 802, 858, 913, 1079, 1203, 1826, 2158, 2406, 2739, 3237, 4411, 5213, 5478, 6474, 8822, 10426, 11869, 13233, 15639, 23738, 26466, 31278, 33283, 35607, 57343, 66566, 71214, 99849, 114686, 172029, 199698, 344058, 366113, 432679, 732226, 865358, 1098339, 1298037, 2196678, 2596074, 4759469, 9518938, 14278407, 28556814]

約数ペア:

[(1, 28556814), (2, 14278407), (3, 9518938), (6, 4759469), (11, 2596074), (13, 2196678), (22, 1298037), (26, 1098339), (33, 865358), (39, 732226), (66, 432679), (78, 366113), (83, 344058), (143, 199698), (166, 172029), (249, 114686), (286, 99849), (401, 71214), (429, 66566), (498, 57343), (802, 35607), (858, 33283), (913, 31278), (1079, 26466), (1203, 23738), (1826, 15639), (2158, 13233), (2406, 11869), (2739, 10426), (3237, 8822), (4411, 6474), (5213, 5478)]