81573772

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{93979}}^1$

素因数の和:94021

約数の個数: 24

約数和(自身を含む): 168412160

約数和(自身を除く): 86838388

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 93979, 187958, 375916, 657853, 1315706, 2631412, 2913349, 5826698, 11653396, 20393443, 40786886, 81573772]

約数ペア:

[(1, 81573772), (2, 40786886), (4, 20393443), (7, 11653396), (14, 5826698), (28, 2913349), (31, 2631412), (62, 1315706), (124, 657853), (217, 375916), (434, 187958), (868, 93979)]