28687928

素因数分解:

$2^3\times {\mathrm{109}}^1\times {\mathrm{167}}^1\times {\mathrm{197}}^1$

素因数の和:479

約数の個数: 32

約数和(自身を含む): 54885600

約数和(自身を除く): 26197672

約数列:

[1, 2, 4, 8, 109, 167, 197, 218, 334, 394, 436, 668, 788, 872, 1336, 1576, 18203, 21473, 32899, 36406, 42946, 65798, 72812, 85892, 131596, 145624, 171784, 263192, 3585991, 7171982, 14343964, 28687928]

約数ペア:

[(1, 28687928), (2, 14343964), (4, 7171982), (8, 3585991), (109, 263192), (167, 171784), (197, 145624), (218, 131596), (334, 85892), (394, 72812), (436, 65798), (668, 42946), (788, 36406), (872, 32899), (1336, 21473), (1576, 18203)]