64420784

素因数分解:

$2^4\times {\mathrm{227}}^1\times {\mathrm{17737}}^1$

素因数の和:17972

約数の個数: 20

約数和(自身を含む): 125372184

約数和(自身を除く): 60951400

約数列:

[1, 2, 4, 8, 16, 227, 454, 908, 1816, 3632, 17737, 35474, 70948, 141896, 283792, 4026299, 8052598, 16105196, 32210392, 64420784]

約数ペア:

[(1, 64420784), (2, 32210392), (4, 16105196), (8, 8052598), (16, 4026299), (227, 283792), (454, 141896), (908, 70948), (1816, 35474), (3632, 17737)]