81115286

素因数分解:

$2^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{19249}}^1$

素因数の和:19308

約数の個数: 24

約数和(自身を含む): 144837000

約数和(自身を除く): 63721714

約数列:

[1, 2, 7, 14, 43, 49, 86, 98, 301, 602, 2107, 4214, 19249, 38498, 134743, 269486, 827707, 943201, 1655414, 1886402, 5793949, 11587898, 40557643, 81115286]

約数ペア:

[(1, 81115286), (2, 40557643), (7, 11587898), (14, 5793949), (43, 1886402), (49, 1655414), (86, 943201), (98, 827707), (301, 269486), (602, 134743), (2107, 38498), (4214, 19249)]