121621328

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{69737}}^1$

素因数の和:69854

約数の個数: 20

約数和(自身を含む): 237806580

約数和(自身を除く): 116185252

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 69737, 139474, 278948, 557896, 1115792, 7601333, 15202666, 30405332, 60810664, 121621328]

約数ペア:

[(1, 121621328), (2, 60810664), (4, 30405332), (8, 15202666), (16, 7601333), (109, 1115792), (218, 557896), (436, 278948), (872, 139474), (1744, 69737)]