199985495

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{31469}}^1$

素因数の和:31546

約数の個数: 16

約数和(自身を含む): 253774080

約数和(自身を除く): 53788585

約数列:

[1, 5, 31, 41, 155, 205, 1271, 6355, 31469, 157345, 975539, 1290229, 4877695, 6451145, 39997099, 199985495]

約数ペア:

[(1, 199985495), (5, 39997099), (31, 6451145), (41, 4877695), (155, 1290229), (205, 975539), (1271, 157345), (6355, 31469)]