3997379.00000000

素因数分解:

$5^3\times {\mathrm{109}}^1\times {\mathrm{1321}}^1$

素因数の和:1445

約数の個数: 16

約数和(自身を含む): 22685520

約数和(自身を除く): 4686895

約数列:

[1, 5, 25, 109, 125, 545, 1321, 2725, 6605, 13625, 33025, 143989, 165125, 719945, 3599725, 17998625]

約数ペア:

[(1, 17998625), (5, 3599725), (25, 719945), (109, 165125), (125, 143989), (545, 33025), (1321, 13625), (2725, 6605)]