664138768

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{2184667}}^1$

素因数の和:2184694

約数の個数: 20

約数和(自身を含む): 1354494160

約数和(自身を除く): 690355392

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 2184667, 4369334, 8738668, 17477336, 34954672, 41508673, 83017346, 166034692, 332069384, 664138768]

約数ペア:

[(1, 664138768), (2, 332069384), (4, 166034692), (8, 83017346), (16, 41508673), (19, 34954672), (38, 17477336), (76, 8738668), (152, 4369334), (304, 2184667)]