398609078

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{389}}^1\times {\mathrm{1381}}^1$

素因数の和:1832

約数の個数: 32

約数和(自身を含む): 698518080

約数和(自身を除く): 299909002

約数列:

[1, 2, 7, 14, 53, 106, 371, 389, 742, 778, 1381, 2723, 2762, 5446, 9667, 19334, 20617, 41234, 73193, 144319, 146386, 288638, 512351, 537209, 1024702, 1074418, 3760463, 7520926, 28472077, 56944154, 199304539, 398609078]

約数ペア:

[(1, 398609078), (2, 199304539), (7, 56944154), (14, 28472077), (53, 7520926), (106, 3760463), (371, 1074418), (389, 1024702), (742, 537209), (778, 512351), (1381, 288638), (2723, 146386), (2762, 144319), (5446, 73193), (9667, 41234), (19334, 20617)]