219823919

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{163}}^1$

素因数の和:375

約数の個数: 32

約数和(自身を含む): 268025856

約数和(自身を除く): 48201937

約数列:

[1, 7, 37, 41, 127, 163, 259, 287, 889, 1141, 1517, 4699, 5207, 6031, 6683, 10619, 20701, 32893, 36449, 42217, 46781, 144907, 192659, 247271, 765937, 848741, 1348613, 1730897, 5361559, 5941187, 31403417, 219823919]

約数ペア:

[(1, 219823919), (7, 31403417), (37, 5941187), (41, 5361559), (127, 1730897), (163, 1348613), (259, 848741), (287, 765937), (889, 247271), (1141, 192659), (1517, 144907), (4699, 46781), (5207, 42217), (6031, 36449), (6683, 32893), (10619, 20701)]