989552

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{2689}}^1$

素因数の和:2720

約数の個数: 20

約数和(自身を含む): 2001360

約数和(自身を除く): 1011808

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 2689, 5378, 10756, 21512, 43024, 61847, 123694, 247388, 494776, 989552]

約数ペア:

[(1, 989552), (2, 494776), (4, 247388), (8, 123694), (16, 61847), (23, 43024), (46, 21512), (92, 10756), (184, 5378), (368, 2689)]