42908255

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 61663680

約数和(自身を除く): 18755425

約数列:

[1, 5, 13, 17, 29, 65, 85, 103, 145, 169, 221, 377, 493, 515, 845, 1105, 1339, 1751, 1885, 2465, 2873, 2987, 4901, 6409, 6695, 8755, 14365, 14935, 17407, 22763, 24505, 32045, 38831, 50779, 83317, 87035, 113815, 194155, 253895, 295919, 416585, 504803, 660127, 1479595, 2524015, 3300635, 8581651, 42908255]

約数ペア:

[(1, 42908255), (5, 8581651), (13, 3300635), (17, 2524015), (29, 1479595), (65, 660127), (85, 504803), (103, 416585), (145, 295919), (169, 253895), (221, 194155), (377, 113815), (493, 87035), (515, 83317), (845, 50779), (1105, 38831), (1339, 32045), (1751, 24505), (1885, 22763), (2465, 17407), (2873, 14935), (2987, 14365), (4901, 8755), (6409, 6695)]