256919652

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{643}}^1\times {\mathrm{1009}}^1$

素因数の和:1673

約数の個数: 72

約数和(自身を含む): 710280480

約数和(自身を除く): 453360828

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 198, 396, 643, 1009, 1286, 1929, 2018, 2572, 3027, 3858, 4036, 5787, 6054, 7073, 7716, 9081, 11099, 11574, 12108, 14146, 18162, 21219, 22198, 23148, 28292, 33297, 36324, 42438, 44396, 63657, 66594, 84876, 99891, 127314, 133188, 199782, 254628, 399564, 648787, 1297574, 1946361, 2595148, 3892722, 5839083, 7136657, 7785444, 11678166, 14273314, 21409971, 23356332, 28546628, 42819942, 64229913, 85639884, 128459826, 256919652]

約数ペア:

[(1, 256919652), (2, 128459826), (3, 85639884), (4, 64229913), (6, 42819942), (9, 28546628), (11, 23356332), (12, 21409971), (18, 14273314), (22, 11678166), (33, 7785444), (36, 7136657), (44, 5839083), (66, 3892722), (99, 2595148), (132, 1946361), (198, 1297574), (396, 648787), (643, 399564), (1009, 254628), (1286, 199782), (1929, 133188), (2018, 127314), (2572, 99891), (3027, 84876), (3858, 66594), (4036, 63657), (5787, 44396), (6054, 42438), (7073, 36324), (7716, 33297), (9081, 28292), (11099, 23148), (11574, 22198), (12108, 21219), (14146, 18162)]