15421569475

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{599}}^1\times {\mathrm{2141}}^1$

素因数の和:2800

約数の個数: 48

約数和(自身を含む): 21195518400

約数和(自身を除く): 5773948925

約数列:

[1, 5, 13, 25, 37, 65, 185, 325, 481, 599, 925, 2141, 2405, 2995, 7787, 10705, 12025, 14975, 22163, 27833, 38935, 53525, 79217, 110815, 139165, 194675, 288119, 396085, 554075, 695825, 1029821, 1282459, 1440595, 1980425, 5149105, 6412295, 7202975, 16671967, 25745525, 32061475, 47450983, 83359835, 237254915, 416799175, 616862779, 1186274575, 3084313895, 15421569475]

約数ペア:

[(1, 15421569475), (5, 3084313895), (13, 1186274575), (25, 616862779), (37, 416799175), (65, 237254915), (185, 83359835), (325, 47450983), (481, 32061475), (599, 25745525), (925, 16671967), (2141, 7202975), (2405, 6412295), (2995, 5149105), (7787, 1980425), (10705, 1440595), (12025, 1282459), (14975, 1029821), (22163, 695825), (27833, 554075), (38935, 396085), (53525, 288119), (79217, 194675), (110815, 139165)]