1218580864

素因数分解:

$2^7\times {\mathrm{131}}^1\times {\mathrm{72673}}^1$

素因数の和:72818

約数の個数: 32

約数和(自身を含む): 2446206840

約数和(自身を除く): 1227625976

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 131, 262, 524, 1048, 2096, 4192, 8384, 16768, 72673, 145346, 290692, 581384, 1162768, 2325536, 4651072, 9302144, 9520163, 19040326, 38080652, 76161304, 152322608, 304645216, 609290432, 1218580864]

約数ペア:

[(1, 1218580864), (2, 609290432), (4, 304645216), (8, 152322608), (16, 76161304), (32, 38080652), (64, 19040326), (128, 9520163), (131, 9302144), (262, 4651072), (524, 2325536), (1048, 1162768), (2096, 581384), (4192, 290692), (8384, 145346), (16768, 72673)]