2221385

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{349}}^1$

素因数の和:440

約数の個数: 16

約数和(自身を含む): 2856000

約数和(自身を除く): 634615

約数列:

[1, 5, 19, 67, 95, 335, 349, 1273, 1745, 6365, 6631, 23383, 33155, 116915, 444277, 2221385]

約数ペア:

[(1, 2221385), (5, 444277), (19, 116915), (67, 33155), (95, 23383), (335, 6631), (349, 6365), (1273, 1745)]