28784736

素因数分解:

$2^5\times 3^2\times {\mathrm{89}}^1\times {\mathrm{1123}}^1$

素因数の和:1228

約数の個数: 72

約数和(自身を含む): 82850040

約数和(自身を除く): 54065304

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 89, 96, 144, 178, 267, 288, 356, 534, 712, 801, 1068, 1123, 1424, 1602, 2136, 2246, 2848, 3204, 3369, 4272, 4492, 6408, 6738, 8544, 8984, 10107, 12816, 13476, 17968, 20214, 25632, 26952, 35936, 40428, 53904, 80856, 99947, 107808, 161712, 199894, 299841, 323424, 399788, 599682, 799576, 899523, 1199364, 1599152, 1799046, 2398728, 3198304, 3598092, 4797456, 7196184, 9594912, 14392368, 28784736]

約数ペア:

[(1, 28784736), (2, 14392368), (3, 9594912), (4, 7196184), (6, 4797456), (8, 3598092), (9, 3198304), (12, 2398728), (16, 1799046), (18, 1599152), (24, 1199364), (32, 899523), (36, 799576), (48, 599682), (72, 399788), (89, 323424), (96, 299841), (144, 199894), (178, 161712), (267, 107808), (288, 99947), (356, 80856), (534, 53904), (712, 40428), (801, 35936), (1068, 26952), (1123, 25632), (1424, 20214), (1602, 17968), (2136, 13476), (2246, 12816), (2848, 10107), (3204, 8984), (3369, 8544), (4272, 6738), (4492, 6408)]