28978308

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{677}}^1$

素因数の和:757

約数の個数: 72

約数和(自身を含む): 77739480

約数和(自身を除く): 48761172

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 41, 58, 82, 87, 116, 123, 164, 174, 246, 261, 348, 369, 492, 522, 677, 738, 1044, 1189, 1354, 1476, 2031, 2378, 2708, 3567, 4062, 4756, 6093, 7134, 8124, 10701, 12186, 14268, 19633, 21402, 24372, 27757, 39266, 42804, 55514, 58899, 78532, 83271, 111028, 117798, 166542, 176697, 235596, 249813, 333084, 353394, 499626, 706788, 804953, 999252, 1609906, 2414859, 3219812, 4829718, 7244577, 9659436, 14489154, 28978308]

約数ペア:

[(1, 28978308), (2, 14489154), (3, 9659436), (4, 7244577), (6, 4829718), (9, 3219812), (12, 2414859), (18, 1609906), (29, 999252), (36, 804953), (41, 706788), (58, 499626), (82, 353394), (87, 333084), (116, 249813), (123, 235596), (164, 176697), (174, 166542), (246, 117798), (261, 111028), (348, 83271), (369, 78532), (492, 58899), (522, 55514), (677, 42804), (738, 39266), (1044, 27757), (1189, 24372), (1354, 21402), (1476, 19633), (2031, 14268), (2378, 12186), (2708, 10701), (3567, 8124), (4062, 7134), (4756, 6093)]