68956784

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{331523}}^1$

素因数の和:331544

約数の個数: 20

約数和(自身を含む): 143881416

約数和(自身を除く): 74924632

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 331523, 663046, 1326092, 2652184, 4309799, 5304368, 8619598, 17239196, 34478392, 68956784]

約数ペア:

[(1, 68956784), (2, 34478392), (4, 17239196), (8, 8619598), (13, 5304368), (16, 4309799), (26, 2652184), (52, 1326092), (104, 663046), (208, 331523)]