129722404

素因数分解:

$2^2\times 7^2\times {\mathrm{661849}}^1$

素因数の和:661867

約数の個数: 18

約数和(自身を含む): 264078150

約数和(自身を除く): 134355746

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 661849, 1323698, 2647396, 4632943, 9265886, 18531772, 32430601, 64861202, 129722404]

約数ペア:

[(1, 129722404), (2, 64861202), (4, 32430601), (7, 18531772), (14, 9265886), (28, 4632943), (49, 2647396), (98, 1323698), (196, 661849)]