217136528

素因数分解:

$2^4\times 7^1\times {\mathrm{1938719}}^1$

素因数の和:1938734

約数の個数: 20

約数和(自身を含む): 480802560

約数和(自身を除く): 263666032

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1938719, 3877438, 7754876, 13571033, 15509752, 27142066, 31019504, 54284132, 108568264, 217136528]

約数ペア:

[(1, 217136528), (2, 108568264), (4, 54284132), (7, 31019504), (8, 27142066), (14, 15509752), (16, 13571033), (28, 7754876), (56, 3877438), (112, 1938719)]