128752721

素因数分解:

${\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{1291}}^1$

素因数の和:1520

約数の個数: 16

約数和(自身を含む): 141086400

約数和(自身を除く): 12333679

約数列:

[1, 19, 29, 181, 551, 1291, 3439, 5249, 24529, 37439, 99731, 233671, 711341, 4439749, 6776459, 128752721]

約数ペア:

[(1, 128752721), (19, 6776459), (29, 4439749), (181, 711341), (551, 233671), (1291, 99731), (3439, 37439), (5249, 24529)]