639367025

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{12433}}^1$

素因数の和:12482

約数の個数: 36

約数和(自身を含む): 922776876

約数和(自身を除く): 283409851

約数列:

[1, 5, 11, 17, 25, 55, 85, 121, 187, 275, 425, 605, 935, 2057, 3025, 4675, 10285, 12433, 51425, 62165, 136763, 211361, 310825, 683815, 1056805, 1504393, 2324971, 3419075, 5284025, 7521965, 11624855, 25574681, 37609825, 58124275, 127873405, 639367025]

約数ペア:

[(1, 639367025), (5, 127873405), (11, 58124275), (17, 37609825), (25, 25574681), (55, 11624855), (85, 7521965), (121, 5284025), (187, 3419075), (275, 2324971), (425, 1504393), (605, 1056805), (935, 683815), (2057, 310825), (3025, 211361), (4675, 136763), (10285, 62165), (12433, 51425)]