209800525

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{683}}^1\times {\mathrm{1117}}^1$

素因数の和:1821

約数の個数: 24

約数和(自身を含む): 284472864

約数和(自身を除く): 74672339

約数列:

[1, 5, 11, 25, 55, 275, 683, 1117, 3415, 5585, 7513, 12287, 17075, 27925, 37565, 61435, 187825, 307175, 762911, 3814555, 8392021, 19072775, 41960105, 209800525]

約数ペア:

[(1, 209800525), (5, 41960105), (11, 19072775), (25, 8392021), (55, 3814555), (275, 762911), (683, 307175), (1117, 187825), (3415, 61435), (5585, 37565), (7513, 27925), (12287, 17075)]