13720525

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{163}}^1$

素因数の和:230

約数の個数: 48

約数和(自身を含む): 21637504

約数和(自身を除く): 7916979

約数列:

[1, 5, 7, 13, 25, 35, 37, 65, 91, 163, 175, 185, 259, 325, 455, 481, 815, 925, 1141, 1295, 2119, 2275, 2405, 3367, 4075, 5705, 6031, 6475, 10595, 12025, 14833, 16835, 28525, 30155, 42217, 52975, 74165, 78403, 84175, 150775, 211085, 370825, 392015, 548821, 1055425, 1960075, 2744105, 13720525]

約数ペア:

[(1, 13720525), (5, 2744105), (7, 1960075), (13, 1055425), (25, 548821), (35, 392015), (37, 370825), (65, 211085), (91, 150775), (163, 84175), (175, 78403), (185, 74165), (259, 52975), (325, 42217), (455, 30155), (481, 28525), (815, 16835), (925, 14833), (1141, 12025), (1295, 10595), (2119, 6475), (2275, 6031), (2405, 5705), (3367, 4075)]