138981409

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61469}}^1$

素因数の和:61512

約数の個数: 16

約数和(自身を含む): 177033600

約数和(自身を除く): 38052191

約数列:

[1, 7, 17, 19, 119, 133, 323, 2261, 61469, 430283, 1044973, 1167911, 7314811, 8175377, 19854487, 138981409]

約数ペア:

[(1, 138981409), (7, 19854487), (17, 8175377), (19, 7314811), (119, 1167911), (133, 1044973), (323, 430283), (2261, 61469)]