2577978

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{479}}^1$

素因数の和:523

約数の個数: 48

約数和(自身を含む): 6289920

約数和(自身を除く): 3711942

約数列:

[1, 2, 3, 6, 9, 13, 18, 23, 26, 39, 46, 69, 78, 117, 138, 207, 234, 299, 414, 479, 598, 897, 958, 1437, 1794, 2691, 2874, 4311, 5382, 6227, 8622, 11017, 12454, 18681, 22034, 33051, 37362, 56043, 66102, 99153, 112086, 143221, 198306, 286442, 429663, 859326, 1288989, 2577978]

約数ペア:

[(1, 2577978), (2, 1288989), (3, 859326), (6, 429663), (9, 286442), (13, 198306), (18, 143221), (23, 112086), (26, 99153), (39, 66102), (46, 56043), (69, 37362), (78, 33051), (117, 22034), (138, 18681), (207, 12454), (234, 11017), (299, 8622), (414, 6227), (479, 5382), (598, 4311), (897, 2874), (958, 2691), (1437, 1794)]