2001231992515

素因数分解:

$5^1\times 7^3\times {\mathrm{1166899121}}^1$

素因数の和:1166899147

約数の個数: 16

約数和(自身を含む): 2800557892800

約数和(自身を除く): 799325900285

約数列:

[1, 5, 7, 35, 49, 245, 343, 1715, 1166899121, 5834495605, 8168293847, 40841469235, 57178056929, 285890284645, 400246398503, 2001231992515]

約数ペア:

[(1, 2001231992515), (5, 400246398503), (7, 285890284645), (35, 57178056929), (49, 40841469235), (245, 8168293847), (343, 5834495605), (1715, 1166899121)]