78409898

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{809}}^1$

素因数の和:891

約数の個数: 48

約数和(自身を含む): 146266560

約数和(自身を除く): 67856662

約数列:

[1, 2, 7, 14, 23, 43, 46, 49, 86, 98, 161, 301, 322, 602, 809, 989, 1127, 1618, 1978, 2107, 2254, 4214, 5663, 6923, 11326, 13846, 18607, 34787, 37214, 39641, 48461, 69574, 79282, 96922, 130249, 243509, 260498, 487018, 800101, 911743, 1600202, 1704563, 1823486, 3409126, 5600707, 11201414, 39204949, 78409898]

約数ペア:

[(1, 78409898), (2, 39204949), (7, 11201414), (14, 5600707), (23, 3409126), (43, 1823486), (46, 1704563), (49, 1600202), (86, 911743), (98, 800101), (161, 487018), (301, 260498), (322, 243509), (602, 130249), (809, 96922), (989, 79282), (1127, 69574), (1618, 48461), (1978, 39641), (2107, 37214), (2254, 34787), (4214, 18607), (5663, 13846), (6923, 11326)]