219903839

素因数分解:

${\mathrm{29}}^2\times {\mathrm{37}}^2\times {\mathrm{191}}^1$

素因数の和:323

約数の個数: 18

約数和(自身を含む): 235295424

約数和(自身を除く): 15391585

約数列:

[1, 29, 37, 191, 841, 1073, 1369, 5539, 7067, 31117, 39701, 160631, 204943, 261479, 1151329, 5943347, 7582891, 219903839]

約数ペア:

[(1, 219903839), (29, 7582891), (37, 5943347), (191, 1151329), (841, 261479), (1073, 204943), (1369, 160631), (5539, 39701), (7067, 31117)]