201225245

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{263}}^1$

素因数の和:509

約数の個数: 32

約数和(自身を含む): 266112000

約数和(自身を除く): 64886755

約数列:

[1, 5, 13, 65, 79, 149, 263, 395, 745, 1027, 1315, 1937, 3419, 5135, 9685, 11771, 17095, 20777, 39187, 58855, 103885, 153023, 195935, 270101, 509431, 765115, 1350505, 2547155, 3095773, 15478865, 40245049, 201225245]

約数ペア:

[(1, 201225245), (5, 40245049), (13, 15478865), (65, 3095773), (79, 2547155), (149, 1350505), (263, 765115), (395, 509431), (745, 270101), (1027, 195935), (1315, 153023), (1937, 103885), (3419, 58855), (5135, 39187), (9685, 20777), (11771, 17095)]