2561964

素因数分解:

$2^2\times 3^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 6322176

約数和(自身を除く): 3760212

約数列:

[1, 2, 3, 4, 6, 12, 31, 62, 71, 93, 97, 124, 142, 186, 194, 213, 284, 291, 372, 388, 426, 582, 852, 1164, 2201, 3007, 4402, 6014, 6603, 6887, 8804, 9021, 12028, 13206, 13774, 18042, 20661, 26412, 27548, 36084, 41322, 82644, 213497, 426994, 640491, 853988, 1280982, 2561964]

約数ペア:

[(1, 2561964), (2, 1280982), (3, 853988), (4, 640491), (6, 426994), (12, 213497), (31, 82644), (62, 41322), (71, 36084), (93, 27548), (97, 26412), (124, 20661), (142, 18042), (186, 13774), (194, 13206), (213, 12028), (284, 9021), (291, 8804), (372, 6887), (388, 6603), (426, 6014), (582, 4402), (852, 3007), (1164, 2201)]