289777588

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{73}}^1\times {\mathrm{2749}}^1$

素因数の和:2864

約数の個数: 36

約数和(自身を含む): 542734500

約数和(自身を除く): 252956912

約数列:

[1, 2, 4, 19, 38, 73, 76, 146, 292, 361, 722, 1387, 1444, 2749, 2774, 5498, 5548, 10996, 26353, 52231, 52706, 104462, 105412, 200677, 208924, 401354, 802708, 992389, 1984778, 3812863, 3969556, 7625726, 15251452, 72444397, 144888794, 289777588]

約数ペア:

[(1, 289777588), (2, 144888794), (4, 72444397), (19, 15251452), (38, 7625726), (73, 3969556), (76, 3812863), (146, 1984778), (292, 992389), (361, 802708), (722, 401354), (1387, 208924), (1444, 200677), (2749, 105412), (2774, 104462), (5498, 52706), (5548, 52231), (10996, 26353)]