1291249709

素因数分解:

${\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{193}}^1\times {\mathrm{431}}^1$

素因数の和:705

約数の個数: 24

約数和(自身を含む): 1404957312

約数和(自身を除く): 113707603

約数列:

[1, 19, 43, 193, 361, 431, 817, 3667, 8189, 8299, 15523, 18533, 69673, 83183, 155591, 157681, 352127, 1580477, 2995939, 3576869, 6690413, 30029063, 67960511, 1291249709]

約数ペア:

[(1, 1291249709), (19, 67960511), (43, 30029063), (193, 6690413), (361, 3576869), (431, 2995939), (817, 1580477), (3667, 352127), (8189, 157681), (8299, 155591), (15523, 83183), (18533, 69673)]