217142425

素因数分解:

$5^2\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{3739}}^1$

素因数の和:3873

約数の個数: 24

約数和(自身を含む): 283821120

約数和(自身を除く): 66678695

約数列:

[1, 5, 23, 25, 101, 115, 505, 575, 2323, 2525, 3739, 11615, 18695, 58075, 85997, 93475, 377639, 429985, 1888195, 2149925, 8685697, 9440975, 43428485, 217142425]

約数ペア:

[(1, 217142425), (5, 43428485), (23, 9440975), (25, 8685697), (101, 2149925), (115, 1888195), (505, 429985), (575, 377639), (2323, 93475), (2525, 85997), (3739, 58075), (11615, 18695)]