217468526

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{521}}^1\times {\mathrm{18973}}^1$

素因数の和:19507

約数の個数: 16

約数和(自身を含む): 356559408

約数和(自身を除く): 139090882

約数列:

[1, 2, 11, 22, 521, 1042, 5731, 11462, 18973, 37946, 208703, 417406, 9884933, 19769866, 108734263, 217468526]

約数ペア:

[(1, 217468526), (2, 108734263), (11, 19769866), (22, 9884933), (521, 417406), (1042, 208703), (5731, 37946), (11462, 18973)]