221465375

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1171}}^1$

素因数の和:1292

約数の個数: 32

約数和(自身を含む): 296187840

約数和(自身を除く): 74722465

約数列:

[1, 5, 17, 25, 85, 89, 125, 425, 445, 1171, 1513, 2125, 2225, 5855, 7565, 11125, 19907, 29275, 37825, 99535, 104219, 146375, 189125, 497675, 521095, 1771723, 2488375, 2605475, 8858615, 13027375, 44293075, 221465375]

約数ペア:

[(1, 221465375), (5, 44293075), (17, 13027375), (25, 8858615), (85, 2605475), (89, 2488375), (125, 1771723), (425, 521095), (445, 497675), (1171, 189125), (1513, 146375), (2125, 104219), (2225, 99535), (5855, 37825), (7565, 29275), (11125, 19907)]