1211758930

素因数分解:

$2^1\times 5^1\times {\mathrm{15731}}^1\times {\mathrm{7703}}^1$

素因数の和:23441

約数の個数: 16

約数和(自身を含む): 2181587904

約数和(自身を除く): 969828974

約数列:

[1, 2, 5, 10, 7703, 15406, 15731, 31462, 38515, 77030, 78655, 157310, 121175893, 242351786, 605879465, 1211758930]

約数ペア:

[(1, 1211758930), (2, 605879465), (5, 242351786), (10, 121175893), (7703, 157310), (15406, 78655), (15731, 77030), (31462, 38515)]