31550233

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:217

約数の個数: 32

約数和(自身を含む): 39070080

約数和(自身を除く): 7519847

約数列:

[1, 11, 13, 37, 67, 89, 143, 407, 481, 737, 871, 979, 1157, 2479, 3293, 5291, 5963, 9581, 12727, 27269, 32227, 36223, 42809, 65593, 77519, 220631, 354497, 470899, 852709, 2426941, 2868203, 31550233]

約数ペア:

[(1, 31550233), (11, 2868203), (13, 2426941), (37, 852709), (67, 470899), (89, 354497), (143, 220631), (407, 77519), (481, 65593), (737, 42809), (871, 36223), (979, 32227), (1157, 27269), (2479, 12727), (3293, 9581), (5291, 5963)]