980405855

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{3257}}^1$

素因数の和:3707

約数の個数: 32

約数和(自身を含む): 1385875008

約数和(自身を除く): 405469153

約数列:

[1, 5, 11, 13, 55, 65, 143, 421, 715, 2105, 3257, 4631, 5473, 16285, 23155, 27365, 35827, 42341, 60203, 179135, 211705, 301015, 465751, 1371197, 2328755, 6855985, 15083167, 17825561, 75415835, 89127805, 196081171, 980405855]

約数ペア:

[(1, 980405855), (5, 196081171), (11, 89127805), (13, 75415835), (55, 17825561), (65, 15083167), (143, 6855985), (421, 2328755), (715, 1371197), (2105, 465751), (3257, 301015), (4631, 211705), (5473, 179135), (16285, 60203), (23155, 42341), (27365, 35827)]