28785484

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2551}}^1$

素因数の和:2606

約数の個数: 48

約数和(自身を含む): 64024576

約数和(自身を除く): 35239092

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 182, 217, 364, 403, 434, 806, 868, 1612, 2551, 2821, 5102, 5642, 10204, 11284, 17857, 33163, 35714, 66326, 71428, 79081, 132652, 158162, 232141, 316324, 464282, 553567, 928564, 1028053, 1107134, 2056106, 2214268, 4112212, 7196371, 14392742, 28785484]

約数ペア:

[(1, 28785484), (2, 14392742), (4, 7196371), (7, 4112212), (13, 2214268), (14, 2056106), (26, 1107134), (28, 1028053), (31, 928564), (52, 553567), (62, 464282), (91, 316324), (124, 232141), (182, 158162), (217, 132652), (364, 79081), (403, 71428), (434, 66326), (806, 35714), (868, 33163), (1612, 17857), (2551, 11284), (2821, 10204), (5102, 5642)]