201385675

素因数分解:

$5^2\times {\mathrm{109}}^1\times {\mathrm{263}}^1\times {\mathrm{281}}^1$

素因数の和:663

約数の個数: 24

約数和(自身を含む): 253867680

約数和(自身を除く): 52482005

約数列:

[1, 5, 25, 109, 263, 281, 545, 1315, 1405, 2725, 6575, 7025, 28667, 30629, 73903, 143335, 153145, 369515, 716675, 765725, 1847575, 8055427, 40277135, 201385675]

約数ペア:

[(1, 201385675), (5, 40277135), (25, 8055427), (109, 1847575), (263, 765725), (281, 716675), (545, 369515), (1315, 153145), (1405, 143335), (2725, 73903), (6575, 30629), (7025, 28667)]