128397276

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{509513}}^1$

素因数の和:509530

約数の個数: 36

約数和(自身を含む): 370926192

約数和(自身を除く): 242528916

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 509513, 1019026, 1528539, 2038052, 3057078, 3566591, 4585617, 6114156, 7133182, 9171234, 10699773, 14266364, 18342468, 21399546, 32099319, 42799092, 64198638, 128397276]

約数ペア:

[(1, 128397276), (2, 64198638), (3, 42799092), (4, 32099319), (6, 21399546), (7, 18342468), (9, 14266364), (12, 10699773), (14, 9171234), (18, 7133182), (21, 6114156), (28, 4585617), (36, 3566591), (42, 3057078), (63, 2038052), (84, 1528539), (126, 1019026), (252, 509513)]