128540268

素因数分解:

$2^2\times 3^2\times {\mathrm{79}}^1\times {\mathrm{45197}}^1$

素因数の和:45286

約数の個数: 36

約数和(自身を含む): 329041440

約数和(自身を除く): 200501172

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 79, 158, 237, 316, 474, 711, 948, 1422, 2844, 45197, 90394, 135591, 180788, 271182, 406773, 542364, 813546, 1627092, 3570563, 7141126, 10711689, 14282252, 21423378, 32135067, 42846756, 64270134, 128540268]

約数ペア:

[(1, 128540268), (2, 64270134), (3, 42846756), (4, 32135067), (6, 21423378), (9, 14282252), (12, 10711689), (18, 7141126), (36, 3570563), (79, 1627092), (158, 813546), (237, 542364), (316, 406773), (474, 271182), (711, 180788), (948, 135591), (1422, 90394), (2844, 45197)]