281667188

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{521}}^1\times {\mathrm{1117}}^1$

素因数の和:1664

約数の個数: 36

約数和(自身を含む): 543327876

約数和(自身を除く): 261660688

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 521, 1042, 1117, 2084, 2234, 4468, 5731, 11462, 12287, 22924, 24574, 49148, 63041, 126082, 135157, 252164, 270314, 540628, 581957, 1163914, 2327828, 6401527, 12803054, 25606108, 70416797, 140833594, 281667188]

約数ペア:

[(1, 281667188), (2, 140833594), (4, 70416797), (11, 25606108), (22, 12803054), (44, 6401527), (121, 2327828), (242, 1163914), (484, 581957), (521, 540628), (1042, 270314), (1117, 252164), (2084, 135157), (2234, 126082), (4468, 63041), (5731, 49148), (11462, 24574), (12287, 22924)]