28828044

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{823}}^1$

素因数の和:979

約数の個数: 72

約数和(自身を含む): 83982080

約数和(自身を除く): 55154036

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 139, 252, 278, 417, 556, 823, 834, 973, 1251, 1646, 1668, 1946, 2469, 2502, 2919, 3292, 3892, 4938, 5004, 5761, 5838, 7407, 8757, 9876, 11522, 11676, 14814, 17283, 17514, 23044, 29628, 34566, 35028, 51849, 69132, 103698, 114397, 207396, 228794, 343191, 457588, 686382, 800779, 1029573, 1372764, 1601558, 2059146, 2402337, 3203116, 4118292, 4804674, 7207011, 9609348, 14414022, 28828044]

約数ペア:

[(1, 28828044), (2, 14414022), (3, 9609348), (4, 7207011), (6, 4804674), (7, 4118292), (9, 3203116), (12, 2402337), (14, 2059146), (18, 1601558), (21, 1372764), (28, 1029573), (36, 800779), (42, 686382), (63, 457588), (84, 343191), (126, 228794), (139, 207396), (252, 114397), (278, 103698), (417, 69132), (556, 51849), (823, 35028), (834, 34566), (973, 29628), (1251, 23044), (1646, 17514), (1668, 17283), (1946, 14814), (2469, 11676), (2502, 11522), (2919, 9876), (3292, 8757), (3892, 7407), (4938, 5838), (5004, 5761)]