1991369149

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{61723}}^1$

素因数の和:62160

約数の個数: 16

約数和(自身を含む): 2488711680

約数和(自身を除く): 497342531

約数列:

[1, 7, 11, 77, 419, 2933, 4609, 32263, 61723, 432061, 678953, 4752671, 25861937, 181033559, 284481307, 1991369149]

約数ペア:

[(1, 1991369149), (7, 284481307), (11, 181033559), (77, 25861937), (419, 4752671), (2933, 678953), (4609, 432061), (32263, 61723)]