81017344

素因数分解:

$2^9\times {\mathrm{79}}^1\times {\mathrm{2003}}^1$

素因数の和:2100

約数の個数: 40

約数和(自身を含む): 164007360

約数和(自身を除く): 82990016

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 128, 158, 256, 316, 512, 632, 1264, 2003, 2528, 4006, 5056, 8012, 10112, 16024, 20224, 32048, 40448, 64096, 128192, 158237, 256384, 316474, 512768, 632948, 1025536, 1265896, 2531792, 5063584, 10127168, 20254336, 40508672, 81017344]

約数ペア:

[(1, 81017344), (2, 40508672), (4, 20254336), (8, 10127168), (16, 5063584), (32, 2531792), (64, 1265896), (79, 1025536), (128, 632948), (158, 512768), (256, 316474), (316, 256384), (512, 158237), (632, 128192), (1264, 64096), (2003, 40448), (2528, 32048), (4006, 20224), (5056, 16024), (8012, 10112)]