388664836

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{730573}}^1$

素因数の和:730603

約数の個数: 24

約数和(自身を含む): 818242880

約数和(自身を除く): 429578044

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 730573, 1461146, 2922292, 5114011, 10228022, 13880887, 20456044, 27761774, 55523548, 97166209, 194332418, 388664836]

約数ペア:

[(1, 388664836), (2, 194332418), (4, 97166209), (7, 55523548), (14, 27761774), (19, 20456044), (28, 13880887), (38, 10228022), (76, 5114011), (133, 2922292), (266, 1461146), (532, 730573)]