28891024

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{106217}}^1$

素因数の和:106242

約数の個数: 20

約数和(自身を含む): 59269644

約数和(自身を除く): 30378620

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 106217, 212434, 424868, 849736, 1699472, 1805689, 3611378, 7222756, 14445512, 28891024]

約数ペア:

[(1, 28891024), (2, 14445512), (4, 7222756), (8, 3611378), (16, 1805689), (17, 1699472), (34, 849736), (68, 424868), (136, 212434), (272, 106217)]