219223879

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{7129}}^1$

素因数の和:7350

約数の個数: 16

約数和(自身を含む): 262840320

約数和(自身を除く): 43616441

約数列:

[1, 7, 23, 161, 191, 1337, 4393, 7129, 30751, 49903, 163967, 1147769, 1361639, 9531473, 31317697, 219223879]

約数ペア:

[(1, 219223879), (7, 31317697), (23, 9531473), (161, 1361639), (191, 1147769), (1337, 163967), (4393, 49903), (7129, 30751)]