128356813

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1$

素因数の和:309

約数の個数: 32

約数和(自身を含む): 151683840

約数和(自身を除く): 23327027

約数列:

[1, 13, 23, 29, 113, 131, 299, 377, 667, 1469, 1703, 2599, 3013, 3277, 3799, 8671, 14803, 33787, 39169, 42601, 49387, 75371, 87377, 192439, 340469, 429287, 979823, 1135901, 4426097, 5580731, 9873601, 128356813]

約数ペア:

[(1, 128356813), (13, 9873601), (23, 5580731), (29, 4426097), (113, 1135901), (131, 979823), (299, 429287), (377, 340469), (667, 192439), (1469, 87377), (1703, 75371), (2599, 49387), (3013, 42601), (3277, 39169), (3799, 33787), (8671, 14803)]