3999838

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{977}}^1$

素因数の和:1091

約数の個数: 16

約数和(自身を含む): 6337440

約数和(自身を除く): 2337602

約数列:

[1, 2, 23, 46, 89, 178, 977, 1954, 2047, 4094, 22471, 44942, 86953, 173906, 1999919, 3999838]

約数ペア:

[(1, 3999838), (2, 1999919), (23, 173906), (46, 86953), (89, 44942), (178, 22471), (977, 4094), (1954, 2047)]