2211605

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{509}}^1$

素因数の和:604

約数の個数: 16

約数和(自身を含む): 2937600

約数和(自身を除く): 725995

約数列:

[1, 5, 11, 55, 79, 395, 509, 869, 2545, 4345, 5599, 27995, 40211, 201055, 442321, 2211605]

約数ペア:

[(1, 2211605), (5, 442321), (11, 201055), (55, 40211), (79, 27995), (395, 5599), (509, 4345), (869, 2545)]