208893025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{44683}}^1$

素因数の和:44721

約数の個数: 24

約数和(自身を含む): 299204064

約数和(自身を除く): 90311039

約数列:

[1, 5, 11, 17, 25, 55, 85, 187, 275, 425, 935, 4675, 44683, 223415, 491513, 759611, 1117075, 2457565, 3798055, 8355721, 12287825, 18990275, 41778605, 208893025]

約数ペア:

[(1, 208893025), (5, 41778605), (11, 18990275), (17, 12287825), (25, 8355721), (55, 3798055), (85, 2457565), (187, 1117075), (275, 759611), (425, 491513), (935, 223415), (4675, 44683)]