25219546

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{23}}^2\times {\mathrm{197}}^1$

素因数の和:267

約数の個数: 36

約数和(自身を含む): 43688106

約数和(自身を除く): 18468560

約数列:

[1, 2, 11, 22, 23, 46, 121, 197, 242, 253, 394, 506, 529, 1058, 2167, 2783, 4334, 4531, 5566, 5819, 9062, 11638, 23837, 47674, 49841, 64009, 99682, 104213, 128018, 208426, 548251, 1096502, 1146343, 2292686, 12609773, 25219546]

約数ペア:

[(1, 25219546), (2, 12609773), (11, 2292686), (22, 1146343), (23, 1096502), (46, 548251), (121, 208426), (197, 128018), (242, 104213), (253, 99682), (394, 64009), (506, 49841), (529, 47674), (1058, 23837), (2167, 11638), (2783, 9062), (4334, 5819), (4531, 5566)]