221486984

素因数分解:

$2^3\times {\mathrm{127}}^1\times {\mathrm{277}}^1\times {\mathrm{787}}^1$

素因数の和:1197

約数の個数: 32

約数和(自身を含む): 420602880

約数和(自身を除く): 199115896

約数列:

[1, 2, 4, 8, 127, 254, 277, 508, 554, 787, 1016, 1108, 1574, 2216, 3148, 6296, 35179, 70358, 99949, 140716, 199898, 217999, 281432, 399796, 435998, 799592, 871996, 1743992, 27685873, 55371746, 110743492, 221486984]

約数ペア:

[(1, 221486984), (2, 110743492), (4, 55371746), (8, 27685873), (127, 1743992), (254, 871996), (277, 799592), (508, 435998), (554, 399796), (787, 281432), (1016, 217999), (1108, 199898), (1574, 140716), (2216, 99949), (3148, 70358), (6296, 35179)]