28810764

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{577}}^1$

素因数の和:679

約数の個数: 72

約数和(自身を含む): 77845040

約数和(自身を除く): 49034276

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 73, 76, 114, 146, 171, 219, 228, 292, 342, 438, 577, 657, 684, 876, 1154, 1314, 1387, 1731, 2308, 2628, 2774, 3462, 4161, 5193, 5548, 6924, 8322, 10386, 10963, 12483, 16644, 20772, 21926, 24966, 32889, 42121, 43852, 49932, 65778, 84242, 98667, 126363, 131556, 168484, 197334, 252726, 379089, 394668, 505452, 758178, 800299, 1516356, 1600598, 2400897, 3201196, 4801794, 7202691, 9603588, 14405382, 28810764]

約数ペア:

[(1, 28810764), (2, 14405382), (3, 9603588), (4, 7202691), (6, 4801794), (9, 3201196), (12, 2400897), (18, 1600598), (19, 1516356), (36, 800299), (38, 758178), (57, 505452), (73, 394668), (76, 379089), (114, 252726), (146, 197334), (171, 168484), (219, 131556), (228, 126363), (292, 98667), (342, 84242), (438, 65778), (577, 49932), (657, 43852), (684, 42121), (876, 32889), (1154, 24966), (1314, 21926), (1387, 20772), (1731, 16644), (2308, 12483), (2628, 10963), (2774, 10386), (3462, 8322), (4161, 6924), (5193, 5548)]