87299710

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1\times {\mathrm{647}}^1$

素因数の和:888

約数の個数: 32

約数和(自身を含む): 160123392

約数和(自身を除く): 72823682

約数列:

[1, 2, 5, 10, 103, 131, 206, 262, 515, 647, 655, 1030, 1294, 1310, 3235, 6470, 13493, 26986, 66641, 67465, 84757, 133282, 134930, 169514, 333205, 423785, 666410, 847570, 8729971, 17459942, 43649855, 87299710]

約数ペア:

[(1, 87299710), (2, 43649855), (5, 17459942), (10, 8729971), (103, 847570), (131, 666410), (206, 423785), (262, 333205), (515, 169514), (647, 134930), (655, 133282), (1030, 84757), (1294, 67465), (1310, 66641), (3235, 26986), (6470, 13493)]