68528275

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{383}}^1\times {\mathrm{421}}^1$

素因数の和:831

約数の個数: 24

約数和(自身を含む): 90422784

約数和(自身を除く): 21894509

約数列:

[1, 5, 17, 25, 85, 383, 421, 425, 1915, 2105, 6511, 7157, 9575, 10525, 32555, 35785, 161243, 162775, 178925, 806215, 2741131, 4031075, 13705655, 68528275]

約数ペア:

[(1, 68528275), (5, 13705655), (17, 4031075), (25, 2741131), (85, 806215), (383, 178925), (421, 162775), (425, 161243), (1915, 35785), (2105, 32555), (6511, 10525), (7157, 9575)]