39967888

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{233}}^1$

素因数の和:463

約数の個数: 40

約数和(自身を含む): 79387776

約数和(自身を除く): 39419888

約数列:

[1, 2, 4, 8, 16, 71, 142, 151, 233, 284, 302, 466, 568, 604, 932, 1136, 1208, 1864, 2416, 3728, 10721, 16543, 21442, 33086, 35183, 42884, 66172, 70366, 85768, 132344, 140732, 171536, 264688, 281464, 562928, 2497993, 4995986, 9991972, 19983944, 39967888]

約数ペア:

[(1, 39967888), (2, 19983944), (4, 9991972), (8, 4995986), (16, 2497993), (71, 562928), (142, 281464), (151, 264688), (233, 171536), (284, 140732), (302, 132344), (466, 85768), (568, 70366), (604, 66172), (932, 42884), (1136, 35183), (1208, 33086), (1864, 21442), (2416, 16543), (3728, 10721)]