220185413

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{10303}}^1$

素因数の和:10424

約数の個数: 16

約数和(自身を含む): 261144576

約数和(自身を除く): 40959163

約数列:

[1, 7, 43, 71, 301, 497, 3053, 10303, 21371, 72121, 443029, 731513, 3101203, 5120591, 31455059, 220185413]

約数ペア:

[(1, 220185413), (7, 31455059), (43, 5120591), (71, 3101203), (301, 731513), (497, 443029), (3053, 72121), (10303, 21371)]