81657384

素因数分解:

$2^3\times 3^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1\times {\mathrm{277}}^1$

素因数の和:530

約数の個数: 64

約数和(自身を含む): 208967040

約数和(自身を除く): 127309656

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 71, 142, 173, 213, 277, 284, 346, 426, 519, 554, 568, 692, 831, 852, 1038, 1108, 1384, 1662, 1704, 2076, 2216, 3324, 4152, 6648, 12283, 19667, 24566, 36849, 39334, 47921, 49132, 59001, 73698, 78668, 95842, 98264, 118002, 143763, 147396, 157336, 191684, 236004, 287526, 294792, 383368, 472008, 575052, 1150104, 3402391, 6804782, 10207173, 13609564, 20414346, 27219128, 40828692, 81657384]

約数ペア:

[(1, 81657384), (2, 40828692), (3, 27219128), (4, 20414346), (6, 13609564), (8, 10207173), (12, 6804782), (24, 3402391), (71, 1150104), (142, 575052), (173, 472008), (213, 383368), (277, 294792), (284, 287526), (346, 236004), (426, 191684), (519, 157336), (554, 147396), (568, 143763), (692, 118002), (831, 98264), (852, 95842), (1038, 78668), (1108, 73698), (1384, 59001), (1662, 49132), (1704, 47921), (2076, 39334), (2216, 36849), (3324, 24566), (4152, 19667), (6648, 12283)]