1258981936

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{566089}}^1$

素因数の和:566236

約数の個数: 20

約数和(自身を含む): 2456830600

約数和(自身を除く): 1197848664

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 566089, 1132178, 2264356, 4528712, 9057424, 78686371, 157372742, 314745484, 629490968, 1258981936]

約数ペア:

[(1, 1258981936), (2, 629490968), (4, 314745484), (8, 157372742), (16, 78686371), (139, 9057424), (278, 4528712), (556, 2264356), (1112, 1132178), (2224, 566089)]