1321320868

素因数分解:

$2^2\times 7^2\times {\mathrm{6741433}}^1$

素因数の和:6741451

約数の個数: 18

約数和(自身を含む): 2689832166

約数和(自身を除く): 1368511298

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 6741433, 13482866, 26965732, 47190031, 94380062, 188760124, 330330217, 660660434, 1321320868]

約数ペア:

[(1, 1321320868), (2, 660660434), (4, 330330217), (7, 188760124), (14, 94380062), (28, 47190031), (49, 26965732), (98, 13482866), (196, 6741433)]