217418105

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{181}}^1$

素因数の和:417

約数の個数: 32

約数和(自身を含む): 277525248

約数和(自身を除く): 60107143

約数列:

[1, 5, 37, 43, 151, 181, 185, 215, 755, 905, 1591, 5587, 6493, 6697, 7783, 7955, 27331, 27935, 32465, 33485, 38915, 136655, 240241, 287971, 1011247, 1175233, 1201205, 1439855, 5056235, 5876165, 43483621, 217418105]

約数ペア:

[(1, 217418105), (5, 43483621), (37, 5876165), (43, 5056235), (151, 1439855), (181, 1201205), (185, 1175233), (215, 1011247), (755, 287971), (905, 240241), (1591, 136655), (5587, 38915), (6493, 33485), (6697, 32465), (7783, 27935), (7955, 27331)]