393376

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{647}}^1$

素因数の和:676

約数の個数: 24

約数和(自身を含む): 816480

約数和(自身を除く): 423104

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 647, 1294, 2588, 5176, 10352, 12293, 20704, 24586, 49172, 98344, 196688, 393376]

約数ペア:

[(1, 393376), (2, 196688), (4, 98344), (8, 49172), (16, 24586), (19, 20704), (32, 12293), (38, 10352), (76, 5176), (152, 2588), (304, 1294), (608, 647)]