215523724

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{61861}}^1$

素因数の和:61945

約数の個数: 24

約数和(自身を含む): 412248368

約数和(自身を除く): 196724644

約数列:

[1, 2, 4, 13, 26, 52, 67, 134, 268, 871, 1742, 3484, 61861, 123722, 247444, 804193, 1608386, 3216772, 4144687, 8289374, 16578748, 53880931, 107761862, 215523724]

約数ペア:

[(1, 215523724), (2, 107761862), (4, 53880931), (13, 16578748), (26, 8289374), (52, 4144687), (67, 3216772), (134, 1608386), (268, 804193), (871, 247444), (1742, 123722), (3484, 61861)]