28372310

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{449}}^1$

素因数の和:616

約数の個数: 32

約数和(自身を含む): 52488000

約数和(自身を除く): 24115690

約数列:

[1, 2, 5, 10, 71, 89, 142, 178, 355, 445, 449, 710, 890, 898, 2245, 4490, 6319, 12638, 31595, 31879, 39961, 63190, 63758, 79922, 159395, 199805, 318790, 399610, 2837231, 5674462, 14186155, 28372310]

約数ペア:

[(1, 28372310), (2, 14186155), (5, 5674462), (10, 2837231), (71, 399610), (89, 318790), (142, 199805), (178, 159395), (355, 79922), (445, 63758), (449, 63190), (710, 39961), (890, 31879), (898, 31595), (2245, 12638), (4490, 6319)]