42780124

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{345001}}^1$

素因数の和:345036

約数の個数: 12

約数和(自身を含む): 77280448

約数和(自身を除く): 34500324

約数列:

[1, 2, 4, 31, 62, 124, 345001, 690002, 1380004, 10695031, 21390062, 42780124]

約数ペア:

[(1, 42780124), (2, 21390062), (4, 10695031), (31, 1380004), (62, 690002), (124, 345001)]