208145910

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{991171}}^1$

素因数の和:991188

約数の個数: 32

約数和(自身を含む): 570915072

約数和(自身を除く): 362769162

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 991171, 1982342, 2973513, 4955855, 5947026, 6938197, 9911710, 13876394, 14867565, 20814591, 29735130, 34690985, 41629182, 69381970, 104072955, 208145910]

約数ペア:

[(1, 208145910), (2, 104072955), (3, 69381970), (5, 41629182), (6, 34690985), (7, 29735130), (10, 20814591), (14, 14867565), (15, 13876394), (21, 9911710), (30, 6938197), (35, 5947026), (42, 4955855), (70, 2973513), (105, 1982342), (210, 991171)]