207318545

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{1753}}^1$

素因数の和:1905

約数の個数: 32

約数和(自身を含む): 296355840

約数和(自身を除く): 89037295

約数列:

[1, 5, 7, 31, 35, 109, 155, 217, 545, 763, 1085, 1753, 3379, 3815, 8765, 12271, 16895, 23653, 54343, 61355, 118265, 191077, 271715, 380401, 955385, 1337539, 1902005, 5923387, 6687695, 29616935, 41463709, 207318545]

約数ペア:

[(1, 207318545), (5, 41463709), (7, 29616935), (31, 6687695), (35, 5923387), (109, 1902005), (155, 1337539), (217, 955385), (545, 380401), (763, 271715), (1085, 191077), (1753, 118265), (3379, 61355), (3815, 54343), (8765, 23653), (12271, 16895)]