28541432

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{461}}^1$

素因数の和:647

約数の個数: 32

約数和(自身を含む): 54885600

約数和(自身を除く): 26344168

約数列:

[1, 2, 4, 8, 71, 109, 142, 218, 284, 436, 461, 568, 872, 922, 1844, 3688, 7739, 15478, 30956, 32731, 50249, 61912, 65462, 100498, 130924, 200996, 261848, 401992, 3567679, 7135358, 14270716, 28541432]

約数ペア:

[(1, 28541432), (2, 14270716), (4, 7135358), (8, 3567679), (71, 401992), (109, 261848), (142, 200996), (218, 130924), (284, 100498), (436, 65462), (461, 61912), (568, 50249), (872, 32731), (922, 30956), (1844, 15478), (3688, 7739)]