218311492

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{338993}}^1$

素因数の和:339027

約数の個数: 24

約数和(自身を含む): 455607936

約数和(自身を除く): 237296444

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 338993, 677986, 1355972, 2372951, 4745902, 7796839, 9491804, 15593678, 31187356, 54577873, 109155746, 218311492]

約数ペア:

[(1, 218311492), (2, 109155746), (4, 54577873), (7, 31187356), (14, 15593678), (23, 9491804), (28, 7796839), (46, 4745902), (92, 2372951), (161, 1355972), (322, 677986), (644, 338993)]