142821178

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{419}}^1\times {\mathrm{1301}}^1$

素因数の和:1853

約数の個数: 16

約数和(自身を含む): 216548640

約数和(自身を除く): 73727462

約数列:

[1, 2, 131, 262, 419, 838, 1301, 2602, 54889, 109778, 170431, 340862, 545119, 1090238, 71410589, 142821178]

約数ペア:

[(1, 142821178), (2, 71410589), (131, 1090238), (262, 545119), (419, 340862), (838, 170431), (1301, 109778), (2602, 54889)]