642353254

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{1607}}^1$

素因数の和:1852

約数の個数: 32

約数和(自身を含む): 1036581120

約数和(自身を除く): 394227866

約数列:

[1, 2, 19, 38, 67, 134, 157, 314, 1273, 1607, 2546, 2983, 3214, 5966, 10519, 21038, 30533, 61066, 107669, 199861, 215338, 252299, 399722, 504598, 2045711, 4091422, 4793681, 9587362, 16904033, 33808066, 321176627, 642353254]

約数ペア:

[(1, 642353254), (2, 321176627), (19, 33808066), (38, 16904033), (67, 9587362), (134, 4793681), (157, 4091422), (314, 2045711), (1273, 504598), (1607, 399722), (2546, 252299), (2983, 215338), (3214, 199861), (5966, 107669), (10519, 61066), (21038, 30533)]