12781982

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{7109}}^1$

素因数の和:7171

約数の個数: 16

約数和(自身を含む): 20476800

約数和(自身を除く): 7694818

約数列:

[1, 2, 29, 31, 58, 62, 899, 1798, 7109, 14218, 206161, 220379, 412322, 440758, 6390991, 12781982]

約数ペア:

[(1, 12781982), (2, 6390991), (29, 440758), (31, 412322), (58, 220379), (62, 206161), (899, 14218), (1798, 7109)]