821486128

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{2702257}}^1$

素因数の和:2702284

約数の個数: 20

約数和(自身を含む): 1675399960

約数和(自身を除く): 853913832

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 2702257, 5404514, 10809028, 21618056, 43236112, 51342883, 102685766, 205371532, 410743064, 821486128]

約数ペア:

[(1, 821486128), (2, 410743064), (4, 205371532), (8, 102685766), (16, 51342883), (19, 43236112), (38, 21618056), (76, 10809028), (152, 5404514), (304, 2702257)]