28494235

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1$

素因数の和:236

約数の個数: 48

約数和(自身を含む): 44241120

約数和(自身を除く): 15746885

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 97, 109, 245, 385, 485, 539, 545, 679, 763, 1067, 1199, 2695, 3395, 3815, 4753, 5335, 5341, 5995, 7469, 8393, 10573, 23765, 26705, 37345, 41965, 52283, 52865, 58751, 74011, 116303, 261415, 293755, 370055, 518077, 581515, 814121, 2590385, 4070605, 5698847, 28494235]

約数ペア:

[(1, 28494235), (5, 5698847), (7, 4070605), (11, 2590385), (35, 814121), (49, 581515), (55, 518077), (77, 370055), (97, 293755), (109, 261415), (245, 116303), (385, 74011), (485, 58751), (539, 52865), (545, 52283), (679, 41965), (763, 37345), (1067, 26705), (1199, 23765), (2695, 10573), (3395, 8393), (3815, 7469), (4753, 5995), (5335, 5341)]