492784

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{1621}}^1$

素因数の和:1648

約数の個数: 20

約数和(自身を含む): 1005640

約数和(自身を除く): 512856

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 1621, 3242, 6484, 12968, 25936, 30799, 61598, 123196, 246392, 492784]

約数ペア:

[(1, 492784), (2, 246392), (4, 123196), (8, 61598), (16, 30799), (19, 25936), (38, 12968), (76, 6484), (152, 3242), (304, 1621)]