219756556

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{431}}^1\times {\mathrm{3109}}^1$

素因数の和:3585

約数の個数: 24

約数和(自身を含む): 394994880

約数和(自身を除く): 175238324

約数列:

[1, 2, 4, 41, 82, 164, 431, 862, 1724, 3109, 6218, 12436, 17671, 35342, 70684, 127469, 254938, 509876, 1339979, 2679958, 5359916, 54939139, 109878278, 219756556]

約数ペア:

[(1, 219756556), (2, 109878278), (4, 54939139), (41, 5359916), (82, 2679958), (164, 1339979), (431, 509876), (862, 254938), (1724, 127469), (3109, 70684), (6218, 35342), (12436, 17671)]