8427265

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:142

約数の個数: 48

約数和(自身を含む): 13296960

約数和(自身を除く): 4869695

約数列:

[1, 5, 7, 11, 35, 49, 53, 55, 59, 77, 245, 265, 295, 371, 385, 413, 539, 583, 649, 1855, 2065, 2597, 2695, 2891, 2915, 3127, 3245, 4081, 4543, 12985, 14455, 15635, 20405, 21889, 22715, 28567, 31801, 34397, 109445, 142835, 153223, 159005, 171985, 240779, 766115, 1203895, 1685453, 8427265]

約数ペア:

[(1, 8427265), (5, 1685453), (7, 1203895), (11, 766115), (35, 240779), (49, 171985), (53, 159005), (55, 153223), (59, 142835), (77, 109445), (245, 34397), (265, 31801), (295, 28567), (371, 22715), (385, 21889), (413, 20405), (539, 15635), (583, 14455), (649, 12985), (1855, 4543), (2065, 4081), (2597, 3245), (2695, 3127), (2891, 2915)]