12840212

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{887}}^1$

素因数の和:956

約数の個数: 48

約数和(自身を含む): 28643328

約数和(自身を除く): 15803116

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 47, 77, 94, 154, 188, 308, 329, 517, 658, 887, 1034, 1316, 1774, 2068, 3548, 3619, 6209, 7238, 9757, 12418, 14476, 19514, 24836, 39028, 41689, 68299, 83378, 136598, 166756, 273196, 291823, 458579, 583646, 917158, 1167292, 1834316, 3210053, 6420106, 12840212]

約数ペア:

[(1, 12840212), (2, 6420106), (4, 3210053), (7, 1834316), (11, 1167292), (14, 917158), (22, 583646), (28, 458579), (44, 291823), (47, 273196), (77, 166756), (94, 136598), (154, 83378), (188, 68299), (308, 41689), (329, 39028), (517, 24836), (658, 19514), (887, 14476), (1034, 12418), (1316, 9757), (1774, 7238), (2068, 6209), (3548, 3619)]