81234556

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{827}}^1\times {\mathrm{1889}}^1$

素因数の和:2733

約数の個数: 24

約数和(自身を含む): 153362160

約数和(自身を除く): 72127604

約数列:

[1, 2, 4, 13, 26, 52, 827, 1654, 1889, 3308, 3778, 7556, 10751, 21502, 24557, 43004, 49114, 98228, 1562203, 3124406, 6248812, 20308639, 40617278, 81234556]

約数ペア:

[(1, 81234556), (2, 40617278), (4, 20308639), (13, 6248812), (26, 3124406), (52, 1562203), (827, 98228), (1654, 49114), (1889, 43004), (3308, 24557), (3778, 21502), (7556, 10751)]