1978902

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1$

素因数の和:277

約数の個数: 48

約数和(自身を含む): 4717440

約数和(自身を除く): 2738538

約数列:

[1, 2, 3, 6, 9, 17, 18, 29, 34, 51, 58, 87, 102, 153, 174, 223, 261, 306, 446, 493, 522, 669, 986, 1338, 1479, 2007, 2958, 3791, 4014, 4437, 6467, 7582, 8874, 11373, 12934, 19401, 22746, 34119, 38802, 58203, 68238, 109939, 116406, 219878, 329817, 659634, 989451, 1978902]

約数ペア:

[(1, 1978902), (2, 989451), (3, 659634), (6, 329817), (9, 219878), (17, 116406), (18, 109939), (29, 68238), (34, 58203), (51, 38802), (58, 34119), (87, 22746), (102, 19401), (153, 12934), (174, 11373), (223, 8874), (261, 7582), (306, 6467), (446, 4437), (493, 4014), (522, 3791), (669, 2958), (986, 2007), (1338, 1479)]