72717617

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2111}}^1$

素因数の和:2181

約数の個数: 24

約数和(自身を含む): 91491840

約数和(自身を除く): 18774223

約数列:

[1, 7, 19, 37, 49, 133, 259, 703, 931, 1813, 2111, 4921, 14777, 34447, 40109, 78107, 103439, 280763, 546749, 1484033, 1965341, 3827243, 10388231, 72717617]

約数ペア:

[(1, 72717617), (7, 10388231), (19, 3827243), (37, 1965341), (49, 1484033), (133, 546749), (259, 280763), (703, 103439), (931, 78107), (1813, 40109), (2111, 34447), (4921, 14777)]