71393245

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{449}}^1$

素因数の和:538

約数の個数: 48

約数和(自身を含む): 110808000

約数和(自身を除く): 39414755

約数列:

[1, 5, 7, 11, 35, 49, 55, 59, 77, 245, 295, 385, 413, 449, 539, 649, 2065, 2245, 2695, 2891, 3143, 3245, 4543, 4939, 14455, 15715, 22001, 22715, 24695, 26491, 31801, 34573, 110005, 132455, 159005, 172865, 185437, 242011, 291401, 927185, 1210055, 1298059, 1457005, 2039807, 6490295, 10199035, 14278649, 71393245]

約数ペア:

[(1, 71393245), (5, 14278649), (7, 10199035), (11, 6490295), (35, 2039807), (49, 1457005), (55, 1298059), (59, 1210055), (77, 927185), (245, 291401), (295, 242011), (385, 185437), (413, 172865), (449, 159005), (539, 132455), (649, 110005), (2065, 34573), (2245, 31801), (2695, 26491), (2891, 24695), (3143, 22715), (3245, 22001), (4543, 15715), (4939, 14455)]