28917378

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{113}}^1\times {\mathrm{677}}^1$

素因数の和:808

約数の個数: 64

約数和(自身を含む): 74200320

約数和(自身を除く): 45282942

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 113, 126, 189, 226, 339, 378, 677, 678, 791, 1017, 1354, 1582, 2031, 2034, 2373, 3051, 4062, 4739, 4746, 6093, 6102, 7119, 9478, 12186, 14217, 14238, 18279, 21357, 28434, 36558, 42651, 42714, 76501, 85302, 127953, 153002, 229503, 255906, 459006, 535507, 688509, 1071014, 1377018, 1606521, 2065527, 3213042, 4131054, 4819563, 9639126, 14458689, 28917378]

約数ペア:

[(1, 28917378), (2, 14458689), (3, 9639126), (6, 4819563), (7, 4131054), (9, 3213042), (14, 2065527), (18, 1606521), (21, 1377018), (27, 1071014), (42, 688509), (54, 535507), (63, 459006), (113, 255906), (126, 229503), (189, 153002), (226, 127953), (339, 85302), (378, 76501), (677, 42714), (678, 42651), (791, 36558), (1017, 28434), (1354, 21357), (1582, 18279), (2031, 14238), (2034, 14217), (2373, 12186), (3051, 9478), (4062, 7119), (4739, 6102), (4746, 6093)]