205260302

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{431}}^1\times {\mathrm{1409}}^1$

素因数の和:1868

約数の個数: 24

約数和(自身を含む): 334406880

約数和(自身を除く): 129146578

約数列:

[1, 2, 13, 26, 169, 338, 431, 862, 1409, 2818, 5603, 11206, 18317, 36634, 72839, 145678, 238121, 476242, 607279, 1214558, 7894627, 15789254, 102630151, 205260302]

約数ペア:

[(1, 205260302), (2, 102630151), (13, 15789254), (26, 7894627), (169, 1214558), (338, 607279), (431, 476242), (862, 238121), (1409, 145678), (2818, 72839), (5603, 36634), (11206, 18317)]