211195412

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{21881}}^1$

素因数の和:22031

約数の個数: 24

約数和(自身を含む): 392125440

約数和(自身を除く): 180930028

約数列:

[1, 2, 4, 19, 38, 76, 127, 254, 508, 2413, 4826, 9652, 21881, 43762, 87524, 415739, 831478, 1662956, 2778887, 5557774, 11115548, 52798853, 105597706, 211195412]

約数ペア:

[(1, 211195412), (2, 105597706), (4, 52798853), (19, 11115548), (38, 5557774), (76, 2778887), (127, 1662956), (254, 831478), (508, 415739), (2413, 87524), (4826, 43762), (9652, 21881)]