28647864

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{18947}}^1$

素因数の和:18969

約数の個数: 64

約数和(自身を含む): 90950400

約数和(自身を除く): 62302536

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 216, 252, 378, 504, 756, 1512, 18947, 37894, 56841, 75788, 113682, 132629, 151576, 170523, 227364, 265258, 341046, 397887, 454728, 511569, 530516, 682092, 795774, 1023138, 1061032, 1193661, 1364184, 1591548, 2046276, 2387322, 3183096, 3580983, 4092552, 4774644, 7161966, 9549288, 14323932, 28647864]

約数ペア:

[(1, 28647864), (2, 14323932), (3, 9549288), (4, 7161966), (6, 4774644), (7, 4092552), (8, 3580983), (9, 3183096), (12, 2387322), (14, 2046276), (18, 1591548), (21, 1364184), (24, 1193661), (27, 1061032), (28, 1023138), (36, 795774), (42, 682092), (54, 530516), (56, 511569), (63, 454728), (72, 397887), (84, 341046), (108, 265258), (126, 227364), (168, 170523), (189, 151576), (216, 132629), (252, 113682), (378, 75788), (504, 56841), (756, 37894), (1512, 18947)]