28489615

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73999}}^1$

素因数の和:74022

約数の個数: 16

約数和(自身を含む): 42624000

約数和(自身を除く): 14134385

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 73999, 369995, 517993, 813989, 2589965, 4069945, 5697923, 28489615]

約数ペア:

[(1, 28489615), (5, 5697923), (7, 4069945), (11, 2589965), (35, 813989), (55, 517993), (77, 369995), (385, 73999)]