28227115

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{307}}^1$

素因数の和:427

約数の個数: 32

約数和(自身を含む): 40449024

約数和(自身を除く): 12221909

約数列:

[1, 5, 7, 35, 37, 71, 185, 259, 307, 355, 497, 1295, 1535, 2149, 2485, 2627, 10745, 11359, 13135, 18389, 21797, 56795, 79513, 91945, 108985, 152579, 397565, 762895, 806489, 4032445, 5645423, 28227115]

約数ペア:

[(1, 28227115), (5, 5645423), (7, 4032445), (35, 806489), (37, 762895), (71, 397565), (185, 152579), (259, 108985), (307, 91945), (355, 79513), (497, 56795), (1295, 21797), (1535, 18389), (2149, 13135), (2485, 11359), (2627, 10745)]