813808

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{2677}}^1$

素因数の和:2704

約数の個数: 20

約数和(自身を含む): 1660360

約数和(自身を除く): 846552

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 2677, 5354, 10708, 21416, 42832, 50863, 101726, 203452, 406904, 813808]

約数ペア:

[(1, 813808), (2, 406904), (4, 203452), (8, 101726), (16, 50863), (19, 42832), (38, 21416), (76, 10708), (152, 5354), (304, 2677)]