42689402

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{21937}}^1$

素因数の和:22085

約数の個数: 16

約数和(自身を含む): 73711680

約数和(自身を除く): 31022278

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 21937, 43874, 153559, 307118, 3049243, 6098486, 21344701, 42689402]

約数ペア:

[(1, 42689402), (2, 21344701), (7, 6098486), (14, 3049243), (139, 307118), (278, 153559), (973, 43874), (1946, 21937)]