989648

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{5623}}^1$

素因数の和:5642

約数の個数: 20

約数和(自身を含む): 2092128

約数和(自身を除く): 1102480

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 5623, 11246, 22492, 44984, 61853, 89968, 123706, 247412, 494824, 989648]

約数ペア:

[(1, 989648), (2, 494824), (4, 247412), (8, 123706), (11, 89968), (16, 61853), (22, 44984), (44, 22492), (88, 11246), (176, 5623)]