78478146

素因数分解:

$2^1\times 3^4\times {\mathrm{71}}^1\times {\mathrm{6823}}^1$

素因数の和:6908

約数の個数: 40

約数和(自身を含む): 178352064

約数和(自身を除く): 99873918

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 81, 142, 162, 213, 426, 639, 1278, 1917, 3834, 5751, 6823, 11502, 13646, 20469, 40938, 61407, 122814, 184221, 368442, 484433, 552663, 968866, 1105326, 1453299, 2906598, 4359897, 8719794, 13079691, 26159382, 39239073, 78478146]

約数ペア:

[(1, 78478146), (2, 39239073), (3, 26159382), (6, 13079691), (9, 8719794), (18, 4359897), (27, 2906598), (54, 1453299), (71, 1105326), (81, 968866), (142, 552663), (162, 484433), (213, 368442), (426, 184221), (639, 122814), (1278, 61407), (1917, 40938), (3834, 20469), (5751, 13646), (6823, 11502)]