221837275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{769}}^1\times {\mathrm{1049}}^1$

素因数の和:1839

約数の個数: 24

約数和(自身を含む): 300762000

約数和(自身を除く): 78924725

約数列:

[1, 5, 11, 25, 55, 275, 769, 1049, 3845, 5245, 8459, 11539, 19225, 26225, 42295, 57695, 211475, 288475, 806681, 4033405, 8873491, 20167025, 44367455, 221837275]

約数ペア:

[(1, 221837275), (5, 44367455), (11, 20167025), (25, 8873491), (55, 4033405), (275, 806681), (769, 288475), (1049, 211475), (3845, 57695), (5245, 42295), (8459, 26225), (11539, 19225)]