72020012

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{418721}}^1$

素因数の和:418768

約数の個数: 12

約数和(自身を含む): 128966376

約数和(自身を除く): 56946364

約数列:

[1, 2, 4, 43, 86, 172, 418721, 837442, 1674884, 18005003, 36010006, 72020012]

約数ペア:

[(1, 72020012), (2, 36010006), (4, 18005003), (43, 1674884), (86, 837442), (172, 418721)]