12856492

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{263}}^1$

素因数の和:390

約数の個数: 36

約数和(自身を含む): 25069968

約数和(自身を除く): 12213476

約数列:

[1, 2, 4, 11, 22, 44, 101, 121, 202, 242, 263, 404, 484, 526, 1052, 1111, 2222, 2893, 4444, 5786, 11572, 12221, 24442, 26563, 31823, 48884, 53126, 63646, 106252, 127292, 292193, 584386, 1168772, 3214123, 6428246, 12856492]

約数ペア:

[(1, 12856492), (2, 6428246), (4, 3214123), (11, 1168772), (22, 584386), (44, 292193), (101, 127292), (121, 106252), (202, 63646), (242, 53126), (263, 48884), (404, 31823), (484, 26563), (526, 24442), (1052, 12221), (1111, 11572), (2222, 5786), (2893, 4444)]