128580944

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{96823}}^1$

素因数の和:96914

約数の個数: 20

約数和(自身を含む): 252129696

約数和(自身を除く): 123548752

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 96823, 193646, 387292, 774584, 1549168, 8036309, 16072618, 32145236, 64290472, 128580944]

約数ペア:

[(1, 128580944), (2, 64290472), (4, 32145236), (8, 16072618), (16, 8036309), (83, 1549168), (166, 774584), (332, 387292), (664, 193646), (1328, 96823)]