31401612

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{443}}^1$

素因数の和:643

約数の個数: 72

約数和(自身を含む): 87272640

約数和(自身を除く): 55871028

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 179, 198, 358, 396, 443, 537, 716, 886, 1074, 1329, 1611, 1772, 1969, 2148, 2658, 3222, 3938, 3987, 4873, 5316, 5907, 6444, 7876, 7974, 9746, 11814, 14619, 15948, 17721, 19492, 23628, 29238, 35442, 43857, 58476, 70884, 79297, 87714, 158594, 175428, 237891, 317188, 475782, 713673, 872267, 951564, 1427346, 1744534, 2616801, 2854692, 3489068, 5233602, 7850403, 10467204, 15700806, 31401612]

約数ペア:

[(1, 31401612), (2, 15700806), (3, 10467204), (4, 7850403), (6, 5233602), (9, 3489068), (11, 2854692), (12, 2616801), (18, 1744534), (22, 1427346), (33, 951564), (36, 872267), (44, 713673), (66, 475782), (99, 317188), (132, 237891), (179, 175428), (198, 158594), (358, 87714), (396, 79297), (443, 70884), (537, 58476), (716, 43857), (886, 35442), (1074, 29238), (1329, 23628), (1611, 19492), (1772, 17721), (1969, 15948), (2148, 14619), (2658, 11814), (3222, 9746), (3938, 7974), (3987, 7876), (4873, 6444), (5316, 5907)]