1216994128

素因数分解:

$2^4\times 7^1\times {\mathrm{10866019}}^1$

素因数の和:10866034

約数の個数: 20

約数和(自身を含む): 2694772960

約数和(自身を除く): 1477778832

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 10866019, 21732038, 43464076, 76062133, 86928152, 152124266, 173856304, 304248532, 608497064, 1216994128]

約数ペア:

[(1, 1216994128), (2, 608497064), (4, 304248532), (7, 173856304), (8, 152124266), (14, 86928152), (16, 76062133), (28, 43464076), (56, 21732038), (112, 10866019)]