1819025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{193}}^1$

素因数の和:245

約数の個数: 24

約数和(自身を含む): 2525880

約数和(自身を除く): 706855

約数列:

[1, 5, 13, 25, 29, 65, 145, 193, 325, 377, 725, 965, 1885, 2509, 4825, 5597, 9425, 12545, 27985, 62725, 72761, 139925, 363805, 1819025]

約数ペア:

[(1, 1819025), (5, 363805), (13, 139925), (25, 72761), (29, 62725), (65, 27985), (145, 12545), (193, 9425), (325, 5597), (377, 4825), (725, 2509), (965, 1885)]