81554826

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{557}}^1\times {\mathrm{1061}}^1$

素因数の和:1646

約数の個数: 32

約数和(自身を含む): 170667648

約数和(自身を除く): 89112822

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 557, 1061, 1114, 1671, 2122, 3183, 3342, 6366, 12811, 24403, 25622, 38433, 48806, 73209, 76866, 146418, 590977, 1181954, 1772931, 3545862, 13592471, 27184942, 40777413, 81554826]

約数ペア:

[(1, 81554826), (2, 40777413), (3, 27184942), (6, 13592471), (23, 3545862), (46, 1772931), (69, 1181954), (138, 590977), (557, 146418), (1061, 76866), (1114, 73209), (1671, 48806), (2122, 38433), (3183, 25622), (3342, 24403), (6366, 12811)]