128878432178

素因数分解:

$2^1\times {\mathrm{239}}^1\times {\mathrm{2389}}^1\times {\mathrm{112859}}^1$

素因数の和:115489

約数の個数: 16

約数和(自身を含む): 194209488000

約数和(自身を除く): 65331055822

約数列:

[1, 2, 239, 478, 2389, 4778, 112859, 225718, 570971, 1141942, 26973301, 53946602, 269620151, 539240302, 64439216089, 128878432178]

約数ペア:

[(1, 128878432178), (2, 64439216089), (239, 539240302), (478, 269620151), (2389, 53946602), (4778, 26973301), (112859, 1141942), (225718, 570971)]