199556225

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{1609}}^1$

素因数の和:1682

約数の個数: 36

約数和(自身を含む): 278797260

約数和(自身を除く): 79241035

約数列:

[1, 5, 11, 25, 41, 55, 121, 205, 275, 451, 605, 1025, 1609, 2255, 3025, 4961, 8045, 11275, 17699, 24805, 40225, 65969, 88495, 124025, 194689, 329845, 442475, 725659, 973445, 1649225, 3628295, 4867225, 7982249, 18141475, 39911245, 199556225]

約数ペア:

[(1, 199556225), (5, 39911245), (11, 18141475), (25, 7982249), (41, 4867225), (55, 3628295), (121, 1649225), (205, 973445), (275, 725659), (451, 442475), (605, 329845), (1025, 194689), (1609, 124025), (2255, 88495), (3025, 65969), (4961, 40225), (8045, 24805), (11275, 17699)]