15664

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{89}}^1$

素因数の和:108

約数の個数: 20

約数和(自身を含む): 33480

約数和(自身を除く): 17816

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 89, 176, 178, 356, 712, 979, 1424, 1958, 3916, 7832, 15664]

約数ペア:

[(1, 15664), (2, 7832), (4, 3916), (8, 1958), (11, 1424), (16, 979), (22, 712), (44, 356), (88, 178), (89, 176)]