129431072

素因数分解:

$2^5\times {\mathrm{79}}^1\times {\mathrm{51199}}^1$

素因数の和:51288

約数の個数: 24

約数和(自身を含む): 258048000

約数和(自身を除く): 128616928

約数列:

[1, 2, 4, 8, 16, 32, 79, 158, 316, 632, 1264, 2528, 51199, 102398, 204796, 409592, 819184, 1638368, 4044721, 8089442, 16178884, 32357768, 64715536, 129431072]

約数ペア:

[(1, 129431072), (2, 64715536), (4, 32357768), (8, 16178884), (16, 8089442), (32, 4044721), (79, 1638368), (158, 819184), (316, 409592), (632, 204796), (1264, 102398), (2528, 51199)]