1618924321

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{787}}^1\times {\mathrm{4139}}^1$

素因数の和:5004

約数の個数: 16

約数和(自身を含む): 1879096320

約数和(自身を除く): 260171999

約数列:

[1, 7, 71, 497, 787, 4139, 5509, 28973, 55877, 293869, 391139, 2057083, 3257393, 22801751, 231274903, 1618924321]

約数ペア:

[(1, 1618924321), (7, 231274903), (71, 22801751), (497, 3257393), (787, 2057083), (4139, 391139), (5509, 293869), (28973, 55877)]