202106905

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{3671}}^1$

素因数の和:3718

約数の個数: 48

約数和(自身を含む): 328188672

約数和(自身を除く): 126081767

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 121, 143, 385, 455, 605, 715, 847, 1001, 1573, 3671, 4235, 5005, 7865, 11011, 18355, 25697, 40381, 47723, 55055, 128485, 201905, 238615, 282667, 334061, 444191, 524953, 1413335, 1670305, 2220955, 2624765, 3109337, 3674671, 5774483, 15546685, 18373355, 28872415, 40421381, 202106905]

約数ペア:

[(1, 202106905), (5, 40421381), (7, 28872415), (11, 18373355), (13, 15546685), (35, 5774483), (55, 3674671), (65, 3109337), (77, 2624765), (91, 2220955), (121, 1670305), (143, 1413335), (385, 524953), (455, 444191), (605, 334061), (715, 282667), (847, 238615), (1001, 201905), (1573, 128485), (3671, 55055), (4235, 47723), (5005, 40381), (7865, 25697), (11011, 18355)]