1646388

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1$

素因数の和:141

約数の個数: 72

約数和(自身を含む): 4586400

約数和(自身を除く): 2940012

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 29, 36, 38, 57, 58, 76, 83, 87, 114, 116, 166, 171, 174, 228, 249, 261, 332, 342, 348, 498, 522, 551, 684, 747, 996, 1044, 1102, 1494, 1577, 1653, 2204, 2407, 2988, 3154, 3306, 4731, 4814, 4959, 6308, 6612, 7221, 9462, 9628, 9918, 14193, 14442, 18924, 19836, 21663, 28386, 28884, 43326, 45733, 56772, 86652, 91466, 137199, 182932, 274398, 411597, 548796, 823194, 1646388]

約数ペア:

[(1, 1646388), (2, 823194), (3, 548796), (4, 411597), (6, 274398), (9, 182932), (12, 137199), (18, 91466), (19, 86652), (29, 56772), (36, 45733), (38, 43326), (57, 28884), (58, 28386), (76, 21663), (83, 19836), (87, 18924), (114, 14442), (116, 14193), (166, 9918), (171, 9628), (174, 9462), (228, 7221), (249, 6612), (261, 6308), (332, 4959), (342, 4814), (348, 4731), (498, 3306), (522, 3154), (551, 2988), (684, 2407), (747, 2204), (996, 1653), (1044, 1577), (1102, 1494)]