42878638

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{17881}}^1$

素因数の和:18003

約数の個数: 16

約数和(自身を含む): 70812720

約数和(自身を除く): 27934082

約数列:

[1, 2, 11, 22, 109, 218, 1199, 2398, 17881, 35762, 196691, 393382, 1949029, 3898058, 21439319, 42878638]

約数ペア:

[(1, 42878638), (2, 21439319), (11, 3898058), (22, 1949029), (109, 393382), (218, 196691), (1199, 35762), (2398, 17881)]