78357968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{376721}}^1$

素因数の和:376742

約数の個数: 20

約数和(自身を含む): 163497348

約数和(自身を除く): 85139380

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 376721, 753442, 1506884, 3013768, 4897373, 6027536, 9794746, 19589492, 39178984, 78357968]

約数ペア:

[(1, 78357968), (2, 39178984), (4, 19589492), (8, 9794746), (13, 6027536), (16, 4897373), (26, 3013768), (52, 1506884), (104, 753442), (208, 376721)]