204818005

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{479}}^1\times {\mathrm{643}}^1$

素因数の和:1153

約数の個数: 32

約数和(自身を含む): 296755200

約数和(自身を除く): 91937195

約数列:

[1, 5, 7, 19, 35, 95, 133, 479, 643, 665, 2395, 3215, 3353, 4501, 9101, 12217, 16765, 22505, 45505, 61085, 63707, 85519, 307997, 318535, 427595, 1539985, 2155979, 5851943, 10779895, 29259715, 40963601, 204818005]

約数ペア:

[(1, 204818005), (5, 40963601), (7, 29259715), (19, 10779895), (35, 5851943), (95, 2155979), (133, 1539985), (479, 427595), (643, 318535), (665, 307997), (2395, 85519), (3215, 63707), (3353, 61085), (4501, 45505), (9101, 22505), (12217, 16765)]