201245416

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{661}}^1\times {\mathrm{2003}}^1$

素因数の和:2689

約数の個数: 32

約数和(自身を含む): 397994400

約数和(自身を除く): 196748984

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 661, 1322, 2003, 2644, 4006, 5288, 8012, 12559, 16024, 25118, 38057, 50236, 76114, 100472, 152228, 304456, 1323983, 2647966, 5295932, 10591864, 25155677, 50311354, 100622708, 201245416]

約数ペア:

[(1, 201245416), (2, 100622708), (4, 50311354), (8, 25155677), (19, 10591864), (38, 5295932), (76, 2647966), (152, 1323983), (661, 304456), (1322, 152228), (2003, 100472), (2644, 76114), (4006, 50236), (5288, 38057), (8012, 25118), (12559, 16024)]