1284769915

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{4481}}^1$

素因数の和:4911

約数の個数: 32

約数和(自身を含む): 1816178112

約数和(自身を除く): 531408197

約数列:

[1, 5, 11, 13, 55, 65, 143, 401, 715, 2005, 4411, 4481, 5213, 22055, 22405, 26065, 49291, 57343, 58253, 246455, 286715, 291265, 640783, 1796881, 3203915, 8984405, 19765691, 23359453, 98828455, 116797265, 256953983, 1284769915]

約数ペア:

[(1, 1284769915), (5, 256953983), (11, 116797265), (13, 98828455), (55, 23359453), (65, 19765691), (143, 8984405), (401, 3203915), (715, 1796881), (2005, 640783), (4411, 291265), (4481, 286715), (5213, 246455), (22055, 58253), (22405, 57343), (26065, 49291)]