1290407872

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{1550971}}^1$

素因数の和:1550996

約数の個数: 28

約数和(自身を含む): 2757628216

約数和(自身を除く): 1467220344

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 1550971, 3101942, 6203884, 12407768, 20162623, 24815536, 40325246, 49631072, 80650492, 99262144, 161300984, 322601968, 645203936, 1290407872]

約数ペア:

[(1, 1290407872), (2, 645203936), (4, 322601968), (8, 161300984), (13, 99262144), (16, 80650492), (26, 49631072), (32, 40325246), (52, 24815536), (64, 20162623), (104, 12407768), (208, 6203884), (416, 3101942), (832, 1550971)]