16213456

素因数分解:

$2^4\times 7^1\times {\mathrm{144763}}^1$

素因数の和:144778

約数の個数: 20

約数和(自身を含む): 35901472

約数和(自身を除く): 19688016

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 144763, 289526, 579052, 1013341, 1158104, 2026682, 2316208, 4053364, 8106728, 16213456]

約数ペア:

[(1, 16213456), (2, 8106728), (4, 4053364), (7, 2316208), (8, 2026682), (14, 1158104), (16, 1013341), (28, 579052), (56, 289526), (112, 144763)]