30891978

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1361}}^1$

素因数の和:1479

約数の個数: 48

約数和(自身を含む): 72877896

約数和(自身を除く): 41985918

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 97, 117, 194, 234, 291, 582, 873, 1261, 1361, 1746, 2522, 2722, 3783, 4083, 7566, 8166, 11349, 12249, 17693, 22698, 24498, 35386, 53079, 106158, 132017, 159237, 264034, 318474, 396051, 792102, 1188153, 1716221, 2376306, 3432442, 5148663, 10297326, 15445989, 30891978]

約数ペア:

[(1, 30891978), (2, 15445989), (3, 10297326), (6, 5148663), (9, 3432442), (13, 2376306), (18, 1716221), (26, 1188153), (39, 792102), (78, 396051), (97, 318474), (117, 264034), (194, 159237), (234, 132017), (291, 106158), (582, 53079), (873, 35386), (1261, 24498), (1361, 22698), (1746, 17693), (2522, 12249), (2722, 11349), (3783, 8166), (4083, 7566)]