1281430136

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{738151}}^1$

素因数の和:738195

約数の個数: 32

約数和(自身を含む): 2834503680

約数和(自身を除く): 1553073544

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 738151, 1476302, 2952604, 5167057, 5905208, 10334114, 20668228, 22882681, 41336456, 45765362, 91530724, 160178767, 183061448, 320357534, 640715068, 1281430136]

約数ペア:

[(1, 1281430136), (2, 640715068), (4, 320357534), (7, 183061448), (8, 160178767), (14, 91530724), (28, 45765362), (31, 41336456), (56, 22882681), (62, 20668228), (124, 10334114), (217, 5905208), (248, 5167057), (434, 2952604), (868, 1476302), (1736, 738151)]