28239448

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{207643}}^1$

素因数の和:207666

約数の個数: 16

約数和(自身を含む): 56063880

約数和(自身を除く): 27824432

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 207643, 415286, 830572, 1661144, 3529931, 7059862, 14119724, 28239448]

約数ペア:

[(1, 28239448), (2, 14119724), (4, 7059862), (8, 3529931), (17, 1661144), (34, 830572), (68, 415286), (136, 207643)]