219319978

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{1301}}^1\times {\mathrm{2719}}^1$

素因数の和:4053

約数の個数: 16

約数和(自身を含む): 339978240

約数和(自身を除く): 120658262

約数列:

[1, 2, 31, 62, 1301, 2602, 2719, 5438, 40331, 80662, 84289, 168578, 3537419, 7074838, 109659989, 219319978]

約数ペア:

[(1, 219319978), (2, 109659989), (31, 7074838), (62, 3537419), (1301, 168578), (2602, 84289), (2719, 80662), (5438, 40331)]