128840376

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{766907}}^1$

素因数の和:766923

約数の個数: 32

約数和(自身を含む): 368115840

約数和(自身を除く): 239275464

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 766907, 1533814, 2300721, 3067628, 4601442, 5368349, 6135256, 9202884, 10736698, 16105047, 18405768, 21473396, 32210094, 42946792, 64420188, 128840376]

約数ペア:

[(1, 128840376), (2, 64420188), (3, 42946792), (4, 32210094), (6, 21473396), (7, 18405768), (8, 16105047), (12, 10736698), (14, 9202884), (21, 6135256), (24, 5368349), (28, 4601442), (42, 3067628), (56, 2300721), (84, 1533814), (168, 766907)]