28080828

素因数分解:

$2^2\times 3^2\times {\mathrm{101}}^1\times {\mathrm{7723}}^1$

素因数の和:7834

約数の個数: 36

約数和(自身を含む): 71694168

約数和(自身を除く): 43613340

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 101, 202, 303, 404, 606, 909, 1212, 1818, 3636, 7723, 15446, 23169, 30892, 46338, 69507, 92676, 139014, 278028, 780023, 1560046, 2340069, 3120092, 4680138, 7020207, 9360276, 14040414, 28080828]

約数ペア:

[(1, 28080828), (2, 14040414), (3, 9360276), (4, 7020207), (6, 4680138), (9, 3120092), (12, 2340069), (18, 1560046), (36, 780023), (101, 278028), (202, 139014), (303, 92676), (404, 69507), (606, 46338), (909, 30892), (1212, 23169), (1818, 15446), (3636, 7723)]