28876484

素因数分解:

$2^2\times 7^3\times {\mathrm{13}}^1\times {\mathrm{1619}}^1$

素因数の和:1657

約数の個数: 48

約数和(自身を含む): 63504000

約数和(自身を除く): 34627516

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 343, 364, 637, 686, 1274, 1372, 1619, 2548, 3238, 4459, 6476, 8918, 11333, 17836, 21047, 22666, 42094, 45332, 79331, 84188, 147329, 158662, 294658, 317324, 555317, 589316, 1031303, 1110634, 2062606, 2221268, 4125212, 7219121, 14438242, 28876484]

約数ペア:

[(1, 28876484), (2, 14438242), (4, 7219121), (7, 4125212), (13, 2221268), (14, 2062606), (26, 1110634), (28, 1031303), (49, 589316), (52, 555317), (91, 317324), (98, 294658), (182, 158662), (196, 147329), (343, 84188), (364, 79331), (637, 45332), (686, 42094), (1274, 22666), (1372, 21047), (1619, 17836), (2548, 11333), (3238, 8918), (4459, 6476)]