1261566848

素因数分解:

$2^7\times {\mathrm{9855991}}^1$

素因数の和:9856005

約数の個数: 16

約数和(自身を含む): 2513277960

約数和(自身を除く): 1251711112

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 9855991, 19711982, 39423964, 78847928, 157695856, 315391712, 630783424, 1261566848]

約数ペア:

[(1, 1261566848), (2, 630783424), (4, 315391712), (8, 157695856), (16, 78847928), (32, 39423964), (64, 19711982), (128, 9855991)]