219778828

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{544007}}^1$

素因数の和:544112

約数の個数: 12

約数和(自身を含む): 388421712

約数和(自身を除く): 168642884

約数列:

[1, 2, 4, 101, 202, 404, 544007, 1088014, 2176028, 54944707, 109889414, 219778828]

約数ペア:

[(1, 219778828), (2, 109889414), (4, 54944707), (101, 2176028), (202, 1088014), (404, 544007)]