12946971905

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{683}}^1\times {\mathrm{17471}}^1$

素因数の和:18197

約数の個数: 32

約数和(自身を含む): 18356502528

約数和(自身を除く): 5409530623

約数列:

[1, 5, 7, 31, 35, 155, 217, 683, 1085, 3415, 4781, 17471, 21173, 23905, 87355, 105865, 122297, 148211, 541601, 611485, 741055, 2708005, 3791207, 11932693, 18956035, 59663465, 83528851, 369913483, 417644255, 1849567415, 2589394381, 12946971905]

約数ペア:

[(1, 12946971905), (5, 2589394381), (7, 1849567415), (31, 417644255), (35, 369913483), (155, 83528851), (217, 59663465), (683, 18956035), (1085, 11932693), (3415, 3791207), (4781, 2708005), (17471, 741055), (21173, 611485), (23905, 541601), (87355, 148211), (105865, 122297)]