1285678438

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1885159}}^1$

素因数の和:1885203

約数の個数: 16

約数和(自身を含む): 2171704320

約数和(自身を除く): 886025882

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 1885159, 3770318, 20736749, 41473498, 58439929, 116879858, 642839219, 1285678438]

約数ペア:

[(1, 1285678438), (2, 642839219), (11, 116879858), (22, 58439929), (31, 41473498), (62, 20736749), (341, 3770318), (682, 1885159)]