12997216

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{21377}}^1$

素因数の和:21406

約数の個数: 24

約数和(自身を含む): 26936280

約数和(自身を除く): 13939064

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 21377, 42754, 85508, 171016, 342032, 406163, 684064, 812326, 1624652, 3249304, 6498608, 12997216]

約数ペア:

[(1, 12997216), (2, 6498608), (4, 3249304), (8, 1624652), (16, 812326), (19, 684064), (32, 406163), (38, 342032), (76, 171016), (152, 85508), (304, 42754), (608, 21377)]