28509894

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{811}}^1$

素因数の和:863

約数の個数: 80

約数和(自身を含む): 75457536

約数和(自身を除く): 46947642

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 31, 42, 54, 62, 63, 81, 93, 126, 162, 186, 189, 217, 279, 378, 434, 558, 567, 651, 811, 837, 1134, 1302, 1622, 1674, 1953, 2433, 2511, 3906, 4866, 5022, 5677, 5859, 7299, 11354, 11718, 14598, 17031, 17577, 21897, 25141, 34062, 35154, 43794, 50282, 51093, 65691, 75423, 102186, 131382, 150846, 153279, 175987, 226269, 306558, 351974, 452538, 459837, 527961, 678807, 919674, 1055922, 1357614, 1583883, 2036421, 3167766, 4072842, 4751649, 9503298, 14254947, 28509894]

約数ペア:

[(1, 28509894), (2, 14254947), (3, 9503298), (6, 4751649), (7, 4072842), (9, 3167766), (14, 2036421), (18, 1583883), (21, 1357614), (27, 1055922), (31, 919674), (42, 678807), (54, 527961), (62, 459837), (63, 452538), (81, 351974), (93, 306558), (126, 226269), (162, 175987), (186, 153279), (189, 150846), (217, 131382), (279, 102186), (378, 75423), (434, 65691), (558, 51093), (567, 50282), (651, 43794), (811, 35154), (837, 34062), (1134, 25141), (1302, 21897), (1622, 17577), (1674, 17031), (1953, 14598), (2433, 11718), (2511, 11354), (3906, 7299), (4866, 5859), (5022, 5677)]