64123565

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{15971}}^1$

素因数の和:16060

約数の個数: 16

約数和(自身を含む): 85098816

約数和(自身を除く): 20975251

約数列:

[1, 5, 11, 55, 73, 365, 803, 4015, 15971, 79855, 175681, 878405, 1165883, 5829415, 12824713, 64123565]

約数ペア:

[(1, 64123565), (5, 12824713), (11, 5829415), (55, 1165883), (73, 878405), (365, 175681), (803, 79855), (4015, 15971)]