28098330

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{72047}}^1$

素因数の和:72070

約数の個数: 32

約数和(自身を含む): 72624384

約数和(自身を除く): 44526054

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 72047, 144094, 216141, 360235, 432282, 720470, 936611, 1080705, 1873222, 2161410, 2809833, 4683055, 5619666, 9366110, 14049165, 28098330]

約数ペア:

[(1, 28098330), (2, 14049165), (3, 9366110), (5, 5619666), (6, 4683055), (10, 2809833), (13, 2161410), (15, 1873222), (26, 1080705), (30, 936611), (39, 720470), (65, 432282), (78, 360235), (130, 216141), (195, 144094), (390, 72047)]