81425108

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{419}}^1\times {\mathrm{2557}}^1$

素因数の和:2999

約数の個数: 24

約数和(自身を含む): 150410400

約数和(自身を除く): 68985292

約数列:

[1, 2, 4, 19, 38, 76, 419, 838, 1676, 2557, 5114, 7961, 10228, 15922, 31844, 48583, 97166, 194332, 1071383, 2142766, 4285532, 20356277, 40712554, 81425108]

約数ペア:

[(1, 81425108), (2, 40712554), (4, 20356277), (19, 4285532), (38, 2142766), (76, 1071383), (419, 194332), (838, 97166), (1676, 48583), (2557, 31844), (5114, 15922), (7961, 10228)]