129968816

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{427529}}^1$

素因数の和:427556

約数の個数: 20

約数和(自身を含む): 265068600

約数和(自身を除く): 135099784

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 427529, 855058, 1710116, 3420232, 6840464, 8123051, 16246102, 32492204, 64984408, 129968816]

約数ペア:

[(1, 129968816), (2, 64984408), (4, 32492204), (8, 16246102), (16, 8123051), (19, 6840464), (38, 3420232), (76, 1710116), (152, 855058), (304, 427529)]