393123822016

素因数分解:

$2^6\times {\mathrm{20431}}^1\times {\mathrm{300649}}^1$

素因数の和:321092

約数の個数: 28

約数和(自身を含む): 780145861600

約数和(自身を除く): 387022039584

約数列:

[1, 2, 4, 8, 16, 32, 64, 20431, 40862, 81724, 163448, 300649, 326896, 601298, 653792, 1202596, 1307584, 2405192, 4810384, 9620768, 19241536, 6142559719, 12285119438, 24570238876, 49140477752, 98280955504, 196561911008, 393123822016]

約数ペア:

[(1, 393123822016), (2, 196561911008), (4, 98280955504), (8, 49140477752), (16, 24570238876), (32, 12285119438), (64, 6142559719), (20431, 19241536), (40862, 9620768), (81724, 4810384), (163448, 2405192), (300649, 1307584), (326896, 1202596), (601298, 653792)]