1388891746

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{1721}}^1\times {\mathrm{36683}}^1$

素因数の和:38417

約数の個数: 16

約数和(自身を含む): 2274114528

約数和(自身を除く): 885222782

約数列:

[1, 2, 11, 22, 1721, 3442, 18931, 36683, 37862, 73366, 403513, 807026, 63131443, 126262886, 694445873, 1388891746]

約数ペア:

[(1, 1388891746), (2, 694445873), (11, 126262886), (22, 63131443), (1721, 807026), (3442, 403513), (18931, 73366), (36683, 37862)]