28607255

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:263

約数の個数: 32

約数和(自身を含む): 38016000

約数和(自身を除く): 9408745

約数列:

[1, 5, 19, 43, 47, 95, 149, 215, 235, 745, 817, 893, 2021, 2831, 4085, 4465, 6407, 7003, 10105, 14155, 32035, 35015, 38399, 121733, 133057, 191995, 301129, 608665, 665285, 1505645, 5721451, 28607255]

約数ペア:

[(1, 28607255), (5, 5721451), (19, 1505645), (43, 665285), (47, 608665), (95, 301129), (149, 191995), (215, 133057), (235, 121733), (745, 38399), (817, 35015), (893, 32035), (2021, 14155), (2831, 10105), (4085, 7003), (4465, 6407)]