2021076785

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{1303}}^1$

素因数の和:1822

約数の個数: 48

約数和(自身を含む): 3046853376

約数和(自身を除く): 1025776591

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 455, 487, 637, 1303, 2435, 3185, 3409, 6331, 6515, 9121, 16939, 17045, 23863, 31655, 44317, 45605, 63847, 84695, 118573, 119315, 221585, 310219, 319235, 592865, 634561, 830011, 1551095, 3172805, 4150055, 4441927, 8249293, 22209635, 31093489, 41246465, 57745051, 155467445, 288725255, 404215357, 2021076785]

約数ペア:

[(1, 2021076785), (5, 404215357), (7, 288725255), (13, 155467445), (35, 57745051), (49, 41246465), (65, 31093489), (91, 22209635), (245, 8249293), (455, 4441927), (487, 4150055), (637, 3172805), (1303, 1551095), (2435, 830011), (3185, 634561), (3409, 592865), (6331, 319235), (6515, 310219), (9121, 221585), (16939, 119315), (17045, 118573), (23863, 84695), (31655, 63847), (44317, 45605)]